HARKEN 57 mm Carbo Ratchet Block - Swivel, Cam Cleat, 2138 Depth_1/2" - 1" Depth Cruising sailors can benefit from

Cruising sailors can benefit from Lewmar's race-bred engineering

and other control lines from the mast base

Composite sheave spins on ball bearings with fitted races for low-friction rolling

twice a season is best if your boat lives in salt water

HARKEN 57 mm Carbo Ratchet Block - Swivel, Cam Cleat, 2138 Depth_1/2" - 1" Depth Cruising sailors can benefit fromHarken 57mm Carbo Ratchet Block with Cam Cleat and swivel for quick wrist release and trimming at the mark. Carbo Ratchets 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