Harken 57mm Single Carbo Ratchet Cheek Block - 2137 Blue Sea 7650 and as part of your

and as part of your onboard surveillance system

you can say goodbye to stubborn alkali water rings and yellow build-up that have been plaguing your boat for years

The multi-outlet design ensures even water flow to each engine

Roll Length - 33M (36 yds)

the ice walls can cause signal interference or "ghosting" on your screen

Harken 57mm Single Carbo Ratchet Cheek Block - 2137 Blue Sea 7650 and as part of yourHarken 57mm Single Carbo Ratchet Cheek Block 2137 57mm Single Carbo Ratchet Cheek Block Carbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. Features: Sheave (mm): 57 mm Sheave (in): 2 1 4 in Maximum line (mm): 10 mm Maximum line (in): 3 8 in Maximum working load (kg): 227 kg Maximum working load (lb): 500 lb Product : HARKEN 57MM SINGLE CARBO RATCHET CHEEK BLOCK Manufacturer : Harken