HARKEN 38mm Big Bullet Replacement Sheave, 265

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Harken 38mm Big Bullet Replacement Sheave with Delrin® ball bearings to keep sailing blocks working properly. Self-contained sheaves are designed to be used in custom applications. The Micro, Bullet, and Big Bullet sheaves are Delrin with Delrin® ball bearings. They are scored for rope. Big Bullet blocks can be used as main or jib sheet blocks on dinghies, or for control line applications, such as travelers, cunninghams, or boom vangs on offshore boats. Low-friction Big Bullet Blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. Delrin sheave and ball bearings. Cheek material constructed from reinforced plastic with stainless steel straps. Where applicable, blocks use #10 fasteners. Show more