Sailing - Blocks

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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...

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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...

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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...

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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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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...

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Lewmar 50mm Synchro Block - Single [29925001BK]

50mm 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...

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Harken 40mm Double Sheave Fishing Block [2184]

40mm Double Sheave Fishing BlockLow-friction Carbo Air blocks are lightweight, strong, and reliable. These compact blocks have very high working loads and smooth operation to simplify the positioning and retrieval...

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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 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...

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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 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 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...

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Harken 16mm Block [404]

16mm 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...

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Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]

Series 20 Ball Bearing Block - Single - Cheek Rivet MountFeatures: Low friction High static and dynamic load capacity Lightweight Suitable for screw or pop rivet mounting Precision molded Acetal...

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Ronstan Series 40 Orbit BB Cheek Block [RF48151]

Series 40 Orbit BB Cheek BlockThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest...

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Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101]

Series 15 Ball Bearing Utility Block - Single Block, Loop HeadFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high...

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Ronstan Series 30 Ball Bearing Block - Single - Loop Top [RF30101]

Series 30 Ball Bearing Block - Single - Loop TopFeatures: Low friction 2-stage ball bearing system provides consistent performance over the full working load range High static and dynamic load...

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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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Barton Marine Size 3 Single Plain Bearing Block w/Swivel [N03130]

Size 3 Single Plain Bearing Block with SwivelBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest...

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Ronstan Series 30 Ball Bearing Orbit Block - Triple [RF35302]

Series 30 Ball Bearing Orbit Block™ - TripleBall 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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Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]

Single Stainless Steel Block - 60mm SheaveDelrin™ sheave ensures low-friction and high safe working load. Swivel head may be locked in place to eliminate line twist. Specifications: Sheave Dia. 2 3/8"...

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Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100]

Series 40 Ball Bearing Block - Single - Universal HeadSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent...

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Schaefer Single Aluminum Block - 51mm Sheave [504-05]

Single Aluminum Block - 51mm SheaveSingle block with anodized aluminum cheeks. Delrin™ sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid...

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Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]

Series 30 Ball Bearing Orbit Block™ - Single - Becket - Lashing HeadBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials...