Sailing Blocks

Series 15 Webbing BlockRonstan’s Series 15 blocks are available in 15 different configurations or as a sheave only.The smallest and lightest ball bearing blocks on the market, stainless steel ball bearings help create impressive working loads for...

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: 45mm x...

Twin Sheet Lead 25x3MM - Black32-77 Twin Sheet Lead block. The anodized aluminum body is machined from 6061-T6 aluminum and articulates to ensure a proper lead. Anodized aluminum sheave runs on Nomex™/Teflon™ bearing for a low-friction high...

Series 15 Ball Bearing Utility Block - Double, Loop HeadFeatures:Smallest and lightest ball bearing block availablePrecision molded acetal sheave running on stainless steel ball bearings provide high performance & low frictionSingle loop head blocks...

Series 40 Ball Bearing Orbit Block - Single - Becket - Cleat - Swivel HeadFeatures:Ultra LightweightLow friction 2-stage Orbital ball bearing systemHighest working load in its classLow profile and compactHigh performance cleatingLightweightKilogram for...

Series 55 BB Orbit Block, Double Becket SwivelLightweightKilogram for a kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating...

Series 55 BB Ball Bearing Orbit Block - Upright LeadFeatures:Ultra LightweightLow friction 2-stage Orbital ball bearing systemHighest working load in its classLow profile and compactHigh performance cleatingSpecifications:Sheave: 2-5/32"Max Rope:...

Size 2 Single Swivel BlockA strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. Size 2 - Single Swivel Block.

Size 1 Double Swivel BlockA strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. Size 1 - Double Swivel Block.

Size 1 Cheek BlockA strong lightweight range of blocks suitable for use on dinghies, dayboats or as lead blocks on larger craft. Size 1 - Cheek Block.

Size 1 Single Swivel Block with BecketWith the unique super-low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter center boss. This allows us to fit more load-bearing balls, which ensure extremely...

Midrange Single BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load...