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  • Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100]

    Ronstan Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100]

    Series 50 All Purpose Block - Single - Universal HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as requiredFeatures: Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Captive Lock™ universal head Slotted pin shackle eliminates fouled lines Applications:Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10M(33')Materials: Nylatron® sheave Grade 316 stainless steel load strap and head fitting Impact and U.V. resistant, fiber reinforced Nylon cheeks Specifications:Sheave Ø:t50mm(2")Max. Rope Ø: 12mm(1/2")Max. Pin Ø: 5mm(3/16")M.W.L.:t750kg(1,650lbs)B. L.:t1,500kg(3,310lbs)Weight:t118g(4.1oz)

    $42.12 $35.81

  • Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]

    Ronstan Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]

    Series 20 Ball Bearing Block - Triple - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction Two-Way head can be fixed at 0° or 90° Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls Materials: Stainless steel ball bearings UV Stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant, fiber reinforced Nylon cheeks Specifications:Sheave Ø:t20mm(3/4")Max. Rope Ø:t6mm(1/4")PinØ: 4mm(5/32")M.W.L.:t400kg(880lbs)B. L.:t850kg(1,870lbs)Weight:t62g(2.2oz)

    $52.77 $44.86

  • Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head [RF35100]

    Ronstan Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head [RF35100]

    Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle HeadBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.Features: Lightweight Highest working load in its class Secure, versatile and secure attachement Low profile and compact Ultra low profile thru-sheave becket Low friction 2-stage ball bearing system provides consistent performance over the full working load range Applications: Mainsheet systems and spinnaker sheets on dinghies to 5M(16') Halyard, vang and backstay applications on boats to 5M(16') Control line applications on larger yachts Materials: Sheave: High compression strength carbon black Acetal Ball Bearings: High compression strength Acetal Frame/Cheeks: Toughened, glass fiber reinforced Nylon Link: UV stabilized, multi-strand impregnated SK75 Dyneema® Specifications:Sheave Ø:t30mm(1-3/16")Max. Rope Ø:t8mm(5/16")M.W.L.:t300kg(660lbs)B. L.:t600kg(1,320lbs)Weight:t32g(1.1oz) Quick Guide (pdf)

    $28.30 $24.05

  • Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]

    Ronstan Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]

    Series 30 Ball Bearing Orbit Block™ - CheekBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.Features: Lightweight Highest working load in its class Secure, versatile and secure attachement Low profile and compact Applications: Mainsheet systems and spinnaker sheets on dinghies to 5M(16') Halyard, vang and backstay applications on boats to 5M(16') Control line applications on larger yachts Materials: Sheave: High compression strength carbon black Acetal Ball Bearings: High compression strength Acetal Frame/Cheeks: Toughened, glass fiber reinforced Nylon Link: UV stabilized, multi-strand impregnated SK75 Dyneema® Specifications:Sheave Ø:t30mm(1-3/16")Max. Rope Ø:t8mm(5/16")M.W.L.:t300kg(660lbs)B. L.:t600kg(1,320lbs)Weight:t21g(0.7oz) Quick Guide (pdf)

    $22.21 $18.88

  • Ronstan Kite Block - Black w/White Sheave (Pair) [RF13101-2]

    Ronstan Ronstan Kite Block - Black w/White Sheave (Pair) [RF13101-2]

    Kite Block - Black w/White SheaveFeatures: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials: U.V. stabilized Acetal sheaves Nylon cheeks Specifications:Sheave Ø:16mm(5/8")Max. Rope Ø:4mm(5/32") Brochure (pdf)

    $18.33 $15.58

  • Lewmar 72mm HTX Block - Single [29197201]

    Lewmar Lewmar 72mm HTX Block - Single [29197201]

    72mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials, providing enhanced reliability. HTX blocks are ideal for frequently adjusted, highly loaded systems using modern line technology and reduced line diameters. Features: Strong aluminum side cheeks Central plain bearing for efficiency at high loads Side thrust Delrin ball bearings Head design inspired by Lewmar Racing Range with grub screw swivel head locking mechanism Technical Specifications: Working Load Limit - 4405lb Weight - 15.6oz Maximum Line Size - .55" (14mm) *Sold as an Individual Owner's Manual (pdf)

    $171.95 $113.99

  • Harken 40mm Carbo Single Fixed Block [2650]

    Harken Harken 40mm Carbo Single Fixed Block [2650]

    40mm Carbo Single Fixed BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 220 kg Maximum working load (lb): 485 lb

    $35.05 $30.95

  • Harken 29mm Single Bullet Block [082]

    Harken Harken 29mm Single Bullet Block [082]

    29mm Single Bullet BlockLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Features: Sheave: 29mm (1-1/8") Maximum Line: 8mm (5/16") Maximum Working Load: 136kg (300lb)

    $22.60 $19.95

  • Harken 60mm Single Aluminum Element Block w/Swivel [6260] Harken 60mm Single Aluminum Element Block w/Swivel [6260]

    Harken Harken 60mm Single Aluminum Element Block w/Swivel [6260]

    60mm Single Aluminum Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.Features: Sheave Ø (mm): 60 mm Sheave Ø (in): 2-3/8 in Maximum line Ø (mm): 14 mm Maximum line Ø (in): 9/16 in Maximum working load (kg): 1100 kg Maximum working load (lb): 2425 lb

    $66.15

  • Harken 22mm Micro Block [224]

    Harken Harken 22mm Micro Block [224]

    22mm Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in Length: 38mm / 1-1/2in Weight: 14g / 0.5oz Maximum line: 6mm / 1/4in Maximum working load: 91kg / 200lb Breaking load: 544kg / 1200lb

    $16.55 $14.95

  • Harken 40mm Carbo Air Fiddle Block w/Swivel [2655]

    Harken Harken 40mm Carbo Air Fiddle Block w/Swivel [2655]

    40mm Carbo Air Fiddle Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.Specifications: Sheave: 40mm / 1-9/16in Length: 115mm / 4-1/2in Weight: 51g / 1.8oz Shackle pin: 4mm / 5/32in Maximum line: 10mm / 3/8in Maximum working load: 220kg / 485lb Breaking load: 735kg / 1620lb

    $58.60 $51.95

  • Harken 40mm Carbo Air Block w/Swivel [2636]

    Harken Harken 40mm Carbo Air Block w/Swivel [2636]

    40mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 40mm / 1-9/ 16in Length: 86mm / 3-3/8in Weight: 44g / 1.6oz Shackle pin: 4mm / 5/32in Maximum line: 10mm / 3/8in Maximum working load: 220kg / 485lb Breaking load: 735kg / 1620lb

    $42.80 $37.95

  • Harken 45mm Single Element Block w/Swivel [6230]

    Harken Harken 45mm Single Element Block w/Swivel [6230]

    45mm Single Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.Specifications: Sheave: 45mm / 1-3/4in Length: 102mm / 4in Weight: 103g / 3.6oz Shackle pin: 6mm / 1/4in Maximum line: 12mm / 1/2in Maximum working load: 700kg / 1543lb Breaking load: 1400kg / 3086lb

    $47.10

  • Lewmar 90mm Synchro Block - Single [29929001BK]

    Lewmar Lewmar 90mm Synchro Block - Single [29929001BK]

    90mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on mainsheet systems. Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.Features: Stainless steel strap for improved strength and longer service life Stiff glass fiber reinforced cheeks to prevent lines from wedging Innovative design with “tool-free” sliding swivel locking mechanism Technical Specifications: Working Load Limit - 4400lb Weight - 14.57oz Maximum Line Size - .55" (14mm) *Sold as an Individual

    $178.95 $118.99

  • Ronstan Series 40 Orbit BB Sheave [RF48000]

    Ronstan Ronstan Series 40 Orbit BB Sheave [RF48000]

    Series 40 Orbit BB SheaveBall Bearing versions incorporate the 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.Specifications: Sheave Captive BB Width: 15.5mm/5/8" Sheave Diameter: 40mm/1-9/16" Maximum Rope: 10mm/3/8" M.W.L.: 400kg/880lbs Weight: 30g/1.1oz

    $26.20 $22.27

  • Harken 75mm Carbo Air Block w/Swivel [2660]

    Harken Harken 75mm Carbo Air Block w/Swivel [2660]

    75mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 75mm / 2-15/16in Length: 137mm / 5-3/8in Weight: 195g / 6.9oz Shackle pin: 6mm / 1/4in Maximum line: 14mm / 9/16in Maximum working load: 550kg / 1213lb Breaking load: 1650kg / 3638lb

    $109.60 $96.95

  • Barton Marine Laser Replica 15:1 Boom Vang Assembly [98 075]

    Barton Marine Barton Marine Laser Replica 15:1 Boom Vang Assembly [98 075]

    Laser Replica 15:1 Boom Vang Assembly The Barton boom vang assembly gives all the advantages of systems costing twice the price. 15:1 purchase is achieved through clever design of the base plate, fitted with the unique Barton swivelling triple cam block. It is simple to fit and easy to use.Compatible With:Laser class sailboats In the Box: Barton base plate - Spectro anodised aluminium with three fixing bolts 00 931 Series 0 triple swivel cam block (attached to base plate by shackle) 00 110 Series 0 single fixed eye block (attached to base plate by shackle) 00 211 Series 0 double block with becket 01 091 Series 1 single tang block with becket and curved kicker key for boom 3' 11" (1.2 M) of 5/32"  (4 mm) - dyneema line for primary Red control line 9' 11"(3 M) of 5/32"  (4 mm)  line for secondary Red control line *Sold as and Individual  Brochure (pdf)

    $258.40 $194.39

  • Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel  Becket [N00131]

    Barton Marine Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00131]

    Size 0 20mm Plain Bearing Pulley Block Single Swivel & BecketThe Barton Size 0 Plain bearing block has 20mm (3/4″) sheaves and is also available in ball bearing sheaves. They are designed for high strength and performance but lightweight with the range starting at only 13gms (0.5oz).Suitable for up to 6mm (1/4″) rope Ideal for use on dinghies, day boats, and smaller craft or lead blocks, flag pennants, etc. on larger yachts. Quick Guide (pdf)

    $28.05 $24.72

  • Barton Marine Size 3 Stanchion Lead Block - Single w/Becket  Cam Cleat [N03591]

    Barton Marine Barton Marine Size 3 Stanchion Lead Block - Single w/Becket Cam Cleat [N03591]

    Size 3 Stanchion Lead Block - Single with Becket & Cam Cleat Barton Marine's stanchion lead blocks have proven to be popular with Cruising sailors all over the World.  Mounted onto the stanchion base, the stanchion lead block enables the Genoa furling line to be led back to the cockpit for easy adjustment. Ball bearing sheaves have a precision molded acetal sheave running on a significant diameter brass bearing, ensuring free running under the highest loads.   The unit will fully rotate about the swivel head to match your pulling angle. Cam cleat will secure the line into place.  Block attachment to stanchion is by means of screwing together the integral Stainless Steel strap.Technical Specifications Sheave - Single Sheave Size - 1-3/4" (45mm) Maximum Rope Diameter -  3/8" (10mm) Safe Working Load - 881 lb (400 kg) Maximum Stanchion (Tube) Size - 1" (25mm)  *Sold as an Individual  Quick Guide (pdf)Brochure (pdf)

    $98.67 $82.64

  • Harken 29mm Carbo Air Block [348]

    Harken Harken 29mm Carbo Air Block [348]

    29mm Carbo Air BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 29mm / 1-1/8in Length: 49mm / 1-15/16in Weight: 23g / .8oz Shackle pin: 4mm / 5/32in Maximum line: 8mm / 5/16in Maximum working load: 150kg / 330lb Breaking load: 454kg / 1000lb

    $19.50 $16.95

  • Harken 22mm Fiddle Micro Block w/V-Jam [244]

    Harken Harken 22mm Fiddle Micro Block w/V-Jam [244]

    22mm Fiddle Micro Block with V-JamLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm / 7/8in. Length: 89mm / 3-1/2in. Weight: 57g / 2oz. Shackle pin: 5mm/ 3/16in Maximum line: 6mm / 1/4in. Maximum working load: 159kg / 350lb Breaking load: 544kg/ 1200 lb

    $48.90 $42.95

  • Harken 80mm Single Element Block Mastbase w/Swivel [6221]

    Harken Harken 80mm Single Element Block Mastbase w/Swivel [6221]

    80mm Single Element Block Mastbase with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life. Specifications: Sheave: 80mm (3-1/8") Max Line: 16mm (5/8") Max Working Load: 2200kg (4850lbs)

    $107.90

  • Harken 40mm/29mm Carbo Traveler Block [2649]

    Harken Harken 40mm/29mm Carbo Traveler Block [2649]

    40mm/29mm Carbo Traveler BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in Maximum line Ø (mm): 8 mm Maximum line Ø (in): 5/16 in Maximum working load (kg): 150 kg Maximum working load (lb): 330 lb

    $55.60 $48.95

  • Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]

    Harken Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]

    57mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.Features: On/off switch operates from both sides Standard grip: medium/light air; 10:1 holding power Sheave Ø (mm): 57 mm Sheave Ø (in): 2-1/4 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 227 kg Maximum working load (lb): 500 lb

    $96.30 $84.95

  • Harken 22mm Micro Block w/Swivel [292]

    Harken Harken 22mm Micro Block w/Swivel [292]

    22mm Micro Block with SwivelLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm / 7/8in. Length: 60mm / 2-3/8in. Weight: 28g / 1oz. Shackle pin: 4mm / 5/32in, Maximum line: 6mm / 1/4in. Maximum working load: 91kg / 200lb Breaking load: 544kg/ 1200 lb

    $33.25 $28.95

  • Harken 40mm Carbo Air Pivoting Lead Block w/Aluminum Cam-Matic Cleat [2156]

    Harken Harken 40mm Carbo Air Pivoting Lead Block w/Aluminum Cam-Matic Cleat [2156]

    40mm Carbo Air Pivoting Lead Block with Aluminum Cam-Matic® CleatHigh-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades easy. Cam reverses for either up or down cleating.Can be used as becket block.Specifications: Sheave Ø (mm)40 mm Sheave Ø (in)1 9/16 in Maximum line Ø (mm)10 mm Maximum line Ø (in)3/8 in Maximum working load (kg)136 kg Maximum working load (lb)300 lb

    $100.20 $87.95

  • Harken 16mm Forkhead Block [376]

    Harken Harken 16mm Forkhead Block [376]

    16mm Forkhead BlockThe 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load.Specifications: Sheave: 16mm / 5/8in. Length: 29mm / 1-1/8in. Weight: 11g / .38oz Maximum line: 5mm / 7/32in Maximum working load: 113kg/ 250lb Breaking load: 544kg / 1200lb

    $28.15 $24.95

  • Harken 40mm Carbo Air Fiddle Block w/Swivel  Becket [2656]

    Harken Harken 40mm Carbo Air Fiddle Block w/Swivel Becket [2656]

    40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.Specifications: Sheave: 40mm / 1-9/16in Length: 131mm / 5-1/8in Weight: 54g / 1.9oz Shackle pin: 4mm / 5/32in Maximum line: 10mm / 3/8in Maximum working load: 220kg / 485lb Breaking load: 735kg / 1620lb

    $65.60 $57.95

  • Schaefer Pulpit Furling Lead Spring Loaded Block - 1" Ball Bearing [300-35]

    Schaefer Marine Schaefer Pulpit Furling Lead Spring Loaded Block - 1" Ball Bearing [300-35]

    Pulpit Furling Lead Spring Loaded Block - 1" Ball BearingThe Stainless Steel spring guarantees maximum support for the block. Delrin™ ball bearing sheave ensures low-friction lead for your furling line. Specifications: 1" (25mm) stanchions Length 4-11/32" (111mm) Width 1-9/16"(40mm) Safe Working Load 1000 lbs (450kg) Weight 4 oz (113g) Max line size 7/16" (11mm) Sheave diameter 1-7/16" (37mm) 

    $168.70 $127.99

  • Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11]

    Schaefer Marine Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11]

    Series 5 Flat Base/Alum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Diameter 2" (51 mm) Max. Line 7/16" (11 mm) Length 3-5/8" (92 mm) Width 2-7/32" (57 mm) Height 7/8" (22 mm) Fasteners (4) #10 RH (5 mm) C/C 3" (76 mm) SWL 1750 lbs. (795 kg) Weight 5.9 oz. (167g) Max. Line 7/16" (11mm)

    $101.90 $76.99

  • Schaefer Single Ball Bearing Block [506-05]

    Schaefer Marine Schaefer Single Ball Bearing Block [506-05]

    Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications: Sheave Diameter 2" (51mm) Thickness 15/16" (24mm) Width 2 1/8" (54mm) Length 4 13/32" (112mm) SWL 1500 lbs. (680kg) Weight 5oz. (142g) Max Line 7/16" (11mm)

    $118.75 $89.99

  • Lewmar 60mm Synchro Block - Single [29926001BK]

    Lewmar Lewmar 60mm Synchro Block - Single [29926001BK]

    60mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on mainsheet systems. Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.Features: Stainless steel strap for improved strength and longer service life Stiff glass fiber reinforced cheeks to prevent lines from wedging Innovative design with “tool-free” sliding swivel locking mechanism Technical Specifications: Working Load Limit - 1760lb Weight - 4.06oz Maximum Line Size - .39" (10mm) *Sold as an Individual

    $51.95 $37.99

  • Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]

    Ronstan Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]

    Series 40 All Purpose Block - Triple - Swivel HeadFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Slotted pin shackle eliminates fouled lines Two way head post Spare parts - RF41010 Replacement Becket Pin, RF150 Shackle All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Applications: Mainsheet Halyard Vang Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft) Materials: U.V. stabilised Acetal sheaves Impact and U.V. resistant, fibre reinforced Nylon cheeks Grade 316 stainless steel bearing race Grade 316 stainless steel load strap and head fitting Sheave: UV stabilised acetal Cheeks: Impact modified, fiber reinforced and UV stabilized nylon

    $97.24 $82.65

  • Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140]

    Ronstan Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140]

    Series 50 All Purpose Block - Single Stand UpFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock™ universal head Slotted pin shackle eliminates fouled lines Mount with 2 x 5mm (3/6") fasteners (not supplied) All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting.Applications: Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft) S60 - on boats up to 12m (40ft) Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls. Materials: Grade 316 stainless steel load strap Impact and UV resistant, fiber reinforced Nylon cheeks

    $59.72 $50.77

  • Ronstan Swivel Cleat & Base [RF5]

    Ronstan Ronstan Swivel Cleat & Base [RF5]

    Swivel Cleat & BaseSwivel cleat bases permit easy cleating and releasing from any angle.Sheave can be relocated to allow the control line to feed from belowComes complete with a 28mm(1-1/4") ball bearing sheave, small 'T-Cleat and the 'Fast Track' fairlead.Applications:Typically fitted to dinghy and catamaran spars for halyard, cunningham or outhaul control.Material:Fiber reinforced Nylon bodySpecifications:Rope Ø: 2 - 8mm(3/32" - 5/16")M.W.L.:t150kg(330lbs)B. L.:t300kg(660lbs)Weight:t100g(3.5oz)

    $84.42 $71.76

  • Harken 16mm Block w/Swivel [417]

    Harken Harken 16mm Block w/Swivel [417]

    16mm Block with SwivelThe 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load.Specifications: Sheave: 16mm / 5/8in. Length: 46mm / 1-13/16in. Weight: 18g / .63oz Shackle pin: 4mm / 5/32in Maximum line: 5mm / 7/32 Maximum working load: 113kg/ 250lb Breaking load: 339kg / 750lb

    $35.70 $31.95

  • Harken 57mm Carbo Air Block w/Swivel [2600]

    Harken Harken 57mm Carbo Air Block w/Swivel [2600]

    57mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 57mm / 2-1/4in Length: 110mm / 4-5/16in Weight: 87g / 3.1oz Shackle pin: 5mm / 3/16in Maximum line: 10mm / 3/8in Maximum working load: 359kg / 792lb Breaking load: 1079kg / 2380lb

    $62.20 $54.95

  • Harken 29mm Single Bullet Block w/Becket [083]

    Harken Harken 29mm Single Bullet Block w/Becket [083]

    29mm Single Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Features: Sheave: 29mm (1-1/8") Maximum Line: 8mm (5/16") Maximum Working Load: 136kg (300lb)

    $27.05 $23.95

  • Harken 40mm Carbo Air Block w/Cam Cleat [2645]

    Harken Harken 40mm Carbo Air Block w/Cam Cleat [2645]

    40mm Carbo Air Block with Cam CleatLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave Ø (mm)40 mm Sheave Ø (in)1 9/16 in Maximum line Ø (mm)6 mm Maximum line Ø (in)1/4 in Maximum working load (kg)68 kg Maximum working load (lb)150 lb

    $139.50 $122.95

  • Harken 22mm Micro Block w/Becket [225]

    Harken Harken 22mm Micro Block w/Becket [225]

    22mm Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 21g / .75oz. Maximum line: 6mm / 1/4in. Maximum working load: 91kg / 200lb Breaking load: 544kg/ 1200 lb

    $19.15 $16.95

  • Harken 29mm Carbo Air Block w/Swivel [340]

    Harken Harken 29mm Carbo Air Block w/Swivel [340]

    29mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 29mm / 1-1/8in Length: 66mm / 2-5/8in Weight: 26g / .9oz Shackle pin: 4mm / 5/32in Maximum line: 8mm / 5/16in Maximum working load: 150kg / 330lb Breaking load: 454kg / 1000lb

    $32.95 $28.95

  • Harken 16mm Triple Block [408]

    Harken Harken 16mm Triple Block [408]

    16mm Triple BlockThe 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.Specifications: Sheave: 16mm / 5/8in. Length: 46mm / 1-13/16in. Weight: 41g / 1.44oz Maximum line: 5mm / 7/32in Maximum working load: 318kg/ 700lb Breaking load: 544kg / 1200lb

    $58.30 $51.95

  • Lewmar 60mm HTX Block - Single [29196001]

    Lewmar Lewmar 60mm HTX Block - Single [29196001]

    60mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range.  Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials, providing enhanced reliability. HTX blocks are ideal for frequently adjusted, highly loaded systems using modern line technology and reduced line diameters. Features: Strong aluminum side cheeks Central plain bearing for efficiency at high loads Side thrust Delrin ball bearings Head design inspired by Lewmar Racing Range with grub screw swivel head locking mechanism Technical Specifications: Working Load Limit - 2422lb Weight - 7.5oz Maximum Line Size - .5" (12mm) *Sold as an Individual Owner's Manual (pdf)

    $109.95 $71.99

  • Schaefer Single Aluminum Block - 60mm Sheave [704-05]

    Schaefer Marine Schaefer Single Aluminum Block - 60mm Sheave [704-05]

    Single Aluminum Block - 60mm SheaveDelrin™ sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting. Specifications: Sheave Diameter 2 3/8" (60mm) Thickness 1 3/32" (28mm) Width 2 1/2" (64mm) Length 5 1/32" (128mm) SWL 2250 lbs. (1020kg) Weight 7.4oz (210g) Max Line size 1/2" (13mm) 

    $129.40 $97.99

  • Barton Marine Size 2 Snatch Block w/Stainless Snap Shackle - 35mm Sheave [90301]

    Barton Marine Barton Marine Size 2 Snatch Block w/Stainless Snap Shackle - 35mm Sheave [90301]

    Size 2 Snatch Block with Stainless Snap Shackle - 35mm SheaveUnique to Barton, these are probably the smallest block of this type available.Important Note - Snatch BlocksWhen using small and medium snatch blocks on a toe rail, a bungee line should be attached to the becket to prevent the block from 'tumbling' and causing damage by snagging.Features: Extremely compact and strong  A multitude of uses on cruising or racing yachts where a large unit is not required Specifications: Sheave: 35mm (1.38") Sheave Width:17mm (0.67") Rope: 12mm (0.47") Break Load: 800kg (1,763.7lbs) SWL: 400kg (881.8lbs) Length: 110mm (4.33") Weight: 170g (0.37lbs)

    $127.25 $103.99

  • Harken 40mm Carbo Block Single w/Swivel  Bracket [2637]

    Harken Harken 40mm Carbo Block Single w/Swivel Bracket [2637]

    40mm Carbo Block Single with Swivel & BracketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 220 kg Maximum working load (lb): 485 lb

    $49.80 $43.95

  • Harken 25mm Wire Block w/Shackle [300]

    Harken Harken 25mm Wire Block w/Shackle [300]

    25mm Wire Block with ShackleLightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.Specifications: Sheave: 25mm / 1in. Weight: 28g / 1oz. Shackle pin: 5mm / 3/16in, Maximum wire: 2mm / 3/32in. Maximum line: 4mm / 5/32in. Maximum working load: 454kg / 1000lb Breaking load: 907kg/ 2000 lb

    $53.05 $46.95

  • Harken 22mm Double Micro Block w/Becket [227]

    Harken Harken 22mm Double Micro Block w/Becket [227]

    22mm Double Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 64mm / 2.5in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum working load: 159kg / 350lb Breaking load: 544kg/ 1200 lb

    $45.15 $39.95

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