HARKEN 38mm Big Bullet Replacement Sheave, 265 Item Type_Repair/Service Kits The bearing system uses stainless

The bearing system uses stainless steel balls in a captive grooved race and has a 113 kg (250 lb) maximum working load—the highest on the market compared to similarly sized blocks

consistent performance - even under high loads

Simple design and construction for handling high static loads on cruising boats

and lightly loaded control lines on boats of all sizes

HARKEN 38mm Big Bullet Replacement Sheave, 265 Item Type_Repair/Service Kits The bearing system uses stainlessHarken 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.