Sailing - Blocks

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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™...

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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 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 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...

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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 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 22mm Double Micro Block [226]

22mm Double Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum working load:...

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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...

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Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100]

Series 40 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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Schaefer Spring Loaded/Lined Slide/Aluminum f/1" T-Track [504-82]

Spring Loaded/Lined Slide/Aluminum for 1" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow...

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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...

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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 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140]

Series 30 Ball Bearing Orbit Block™ - Stand Up SwivelBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment...

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Ronstan Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option [RF25109]

Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a...

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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...

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Ronstan Series 40 Ratchet Orbit Block - Single - Auto - Swivel Shackle Head [RF46100]

Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle HeadAutomatic RatchetWith automatic models, the ratchet mechanism engages when load is applied, but switches off when it's released....

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Schaefer Series 5 Flat Base Cheek Block - Stainless Steel Cheeks [505-11]

Series 5 Flat Base Cheek Block - Stainless Steel CheeksSeries 5 Cheek Block with Stainless Steel cheek. Delrin™ sheave ensures smooth operation and high safe working load. Stainless steel base...

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Barton Marine Size 2 Single Cheek Block [N02160]

Size 2 Single Cheek BlockPlain Bearing BlocksBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of...

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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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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...

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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...

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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 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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Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]

Series 40 All Purpose Block - Double Block - Full Swivel HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel...