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Harken soft-attach Fly blocks are designed to provide strength without mass
The larger sheave diameter works well with lines up to 9/16"
The standard RF3133 universal joint with snap-on cover is designed to allow quick fitting and removal of the tiller extension from the fixed base
The sheave can be relocated to allow the control line to feed from below
HARKEN 76 mm Midrange Block - Swivel, Becket, 126 Block Size_57 mm Harken soft-attach Fly blocks areHarken 38mm Big Bullet Single Block includes an integral becket that allows either a 2: 1 or 3: 1 purchase. 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.
