Harken Unit 0 MKIV 57mm Carbo Ratchet Stanchion Lead BlockSheave Ø: 2 1/4 in. (57 mm)
Harken® recommends equipping every system with Carbo lead blocks for safe furling from the cockpit. A 7402 ratchet maintains tension when spooling so the unit can furl smoothly and easily. Both the 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft.
Weight: 5.4 oz. (152g)
Maximum line Ø: 3/8 in. (10 mm)
Maximum working load: 500 lbs. (227 kg)
Use with: 1 in. (25 mm) stanchions