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Bearings - Dynamic Blocks feature our patented bearing system which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail
reliable‚ and affordable
Featuring a ball bearing sheave which has been shaped to work with dyneema or wire
Allen 30mm Upstand Block
Harken 57mm Triple Block - Swivel, Becket, Cam Cleat Jacket Bearings - Dynamic Blocks featureHarken 57mm Triple Block Swivel, Becket, Cam Cleat Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
US$ 89.99
US$ 39.95
US$ 161.00
US$ 14.99
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