Blocks

Ronstan strongSeries 60 Ultimate Ratchet - SingleThe extruded hole design, in conjunction with the groove rofile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivaled low weight is achieved by the...

Harken 60mm Triple 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 BNylatron Sheave Box - Single Uright Lead BlockLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads...

Ronstan Series 15 Ball Bearing Utility Block - Single, Swivel Hook HeadFeatures:Smallest and lightest ball bearing block availablePrecision molded acetal sheave running on stainless steel ball bearings provide high performance & low frictionSingle...

Ronstan BSeries 40 All Purose Block - Single - Loop TopAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static...

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...