HARKEN 57mm Carbo Ratchet Block - Swivel, Becket, 2136 Max Line Size_3/4" (11mm) Line Winch drums are made of

Winch drums are made of black Hardkote anodized aluminum

these winches feature large roller bearings on most gears and drive shafts

Large sheave diameter and high working loads make them suitable for sheet and control blocks on medium to large offshore boats

Low-profile

HARKEN 57mm Carbo Ratchet Block - Swivel, Becket, 2136 Max Line Size_3/4" (11mm) Line Winch drums are made ofHarken 57mm Carbo Ratchet Block with Becket allows either a 2: 1 or 3: 1 purchase. Carbo Ratchet blocks allow sailors to hand hold loaded lines and offer a balance between holding power and controlled easing. Lightweight Carbo Ratchets are available in 40mm, 57mm, and 75mm sizes. All the Carbo Ratchets feature a recessed On Off switch that is easily operated from either side. The 40mm cam arm versions work in ratchet mode only. Commonly 57mm blocks