Blocks

Harken 38mm Single Big 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...

Harken 40mm Carbo Air Double Fixed Block with BecketLow-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...

Ronstan BSeries 40 Ball Bearing Block - Single - Stand USheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Captive...

Harken 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...

Barton Marine Size 3 Stanchion Lead Block with Becket & Cam CleatBarton plain bearing blocks have a precision-molded Acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.Specifications:Sheave size:...

Schaefer Marine 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 distributes loads to a large surface...

Harken 60mm Double 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...

Ronstan BSeries 20 Ball Bearing Block - Trile - Becket - 2-Axis Shackle HeadFeatures:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high...

Ronstan BSeries 60 Core Block™ - SingleCore Blocks™ are a true all round solution. A tuned 2-stage bearing system rovides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to...

Ronstan Series 30 Utility Block- Double, Loop TopFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications:Vang,...

Barton Marine Series 1 Single Upright Block - 30mmPlain Bearing BlocksBarton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.SpecificationsSheave...

Ronstan Series 50 All Purpose Block - TripleFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating Acetal polymer sheave ensures low friction and extreme durabilitySlotted pin shackle eliminates fouled...