The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high-grade machined alloy sheave and black Acetal hubs and bearings. ON-OFF switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF62000.
Technical Information
Specification Details
Specification Details
Applications
Mainsheet on powerful dinghies and skiffs. Control line applications on larger yachts. Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks)
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Ball Bearing 
