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505-20 fits Isomat mast collar with a pin diameter of
Ronstan Orbit Series 55 Single Ratchet Block
Works with 10-55-uc for a powerful 4:1 system
Line Diameter - 10 to 16 mm (3/8" to 5/8")
Lewmar 60mm Double Racing Foot Block
Wichard Triple 2 49/64" (70mm) Block w/ Swivel Head Lewmar Electric Winches w/ "ELS" Series Contactor 505-20 fits Isomat mast collarProduct Description Wichard Triple 2 49 64" (70mm) Block w Swivel Head Features Weight 1. 8 lbs. (780 g) Sheave Diameter 2 49 64" (70mm) Shackle Diameter 5 16" (8mm) Length 6 1 64" (153mm) Width 3 5 32" (80mm) Thickness 3 13 16" (97mm) Working Load 3527 Lbs (1600 kg) Breaking Load 5950 Lbs (2700 kg) Rope Size 9 16" (14mm) Forged Shackle 5 16" (8mm) Applications Mainsheet systems Halyard applications Boom vangs Downhaul Mast head block Material Grade
US$ 149.95
US$ 164.97
US$ 89.95