Sailing - Blocks

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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...

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Harken 29mm Carbo T2 Block [2146]

29mm Carbo T2 BlockThe high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other...

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Harken 60mm Single Element Block Mastbase w/Swivel [6220]

60mm 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...

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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...

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Harken 16mm Block w/Becket [405]

16mm Block with BecketThe 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...

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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...

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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...

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Schaefer Clamp-On Furling Line Stanchion Lead Block - 1" Ball Bearing [300-34]

Clamp-On Furling Line Stanchion Lead Block - 1" Ball BearingDelrin™ ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability. Specifications: Stanchions 1"...

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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:...

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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"...

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Schaefer Stand-Up Swivel w/Aluminum Cheeks [504-62]

Stand-Up Swivel with Aluminum CheeksDelrin™ sheave ensures smooth operation and high safe working load. Specifications: Sheave Dia. 2" (51 mm) Max Line 7/16" (11 mm) Diameter includes urethane base 2-7/8" (73...

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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...

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Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]

Series 30 Utility Block- Cheek, Curved BaseFeatures: Lightweight durable construction Economical Maintenance free Product Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications: Vang,...

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Ronstan Series 20 Ball Bearing Block - Single [RF20100]

Series 20 Ball Bearing Block - SingleFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high...

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Ronstan Series 30 Ball Bearing Orbit Block - Double [RF35202]

Series 30 Ball Bearing Orbit Block™ - DoubleBall 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...

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Ronstan Series 55 Ratchet Orbit Block - Single - Swivel Head - Auto & Manual [RF56100]

Series 55 Ratchet Orbit Block™ - Single - Swivel Head - Auto & ManualAutomatic Ratchet BlockNow you can enjoy the flexibility of setting up your ratchet blocks to suit yourself....

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Ronstan Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head [RF20202]

Series 20 Ball Bearing Block - Double - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon®...

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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...

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Harken 40mm Twing Block [2699]

40mm Twing BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe,...

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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...

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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...

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Harken 16mm Double Block [406]

16mm Double 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...

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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...

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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...