HARKEN 57mm Carbo Ratchet Block - Swivel, Becket, Cam Cleat, 2139 Sail_Main Side-load balls reduce friction from

Side-load balls reduce friction from twists or unfair leads on 304-311

The stainless steel shackles we use on Harken blocks are available separately

Sailors can have the best of both worlds with Ronstan Orbit Blocks™

Use for main and jib sheets on centerboard and keelboats like Lightning

HARKEN 57mm Carbo Ratchet Block - Swivel, Becket, Cam Cleat, 2139 Sail_Main Side-load balls reduce friction fromHarken 57mm Carbo Ratchet Block with Cam arms can be locked in more than five positions for fairleads. 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.