Harken 44mm Dinghy Block - Part #021

Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. Blocks are designed for dinghies and for light-duty control lines on larger boats. Use for: sheets, control lines, traveler controls, Cunninghams.   Free-rolling Delrin ball bearings, sheaves and sideplates UV-stabilized with carbon-black additive for maximum protection High-strength stainless steel straps reinforce blocks In-head shackle minimizes block length for purchase power in a limited space  Sheave diameter: 44 mm (1-3/4") Max line size: 10 mm (3/8") Working load: 159 kg (350 lbs) Breaking load: 907 kg (2,000 lbs)