Blocks

Schaefer Marine 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...

Ronstan Series 55 Ratchet Mount Orbit Block - Single Cleat Swivel - AutoFeatures:Up to 20:1 holding powerSmooth easing of sheetsHigh performance cleatingAutomatic Ratchet BlockNow you can enjoy the flexibility of setting up your ratchet blocks to suit...

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

Ronstan Series 30 Utility Ball Bearing Block - Stand-up, Loop TopFeatures:Low friction 2-stage ball bearing system provides consistent performance over the full working load range.High static and dynamic load capacity.Light weightVersatile head...

Ronstan Series 40 Ball Bearing Block - Single - BecketFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit...

Barton Marine 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. Manufacturer : Barton Marine Manufacturer Part No : N01 230 UPC :...

Ronstan BSeries 20 Ball Bearing Block - Single - CheekFeatures:Low frictionHigh static and dynamic load caacityLightweightDouble through-bolt mounting for maximum load capacityPrecision molded Acetal sheaves running on stainless steel or Torlon® ball...

Harken 57mm Quad Block Swivel, Center BecketLow-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, easy...

Harken 60mm Double Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the...

Harken 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 high working loads for safe,...

Barton Marine Series 2 Stanchion Lead Block - 35mmPlain 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...

Harken 40mm Carbo Air Double Fixed 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...