Harken 40mm Single Swivel Becket Ratchet Block WIRELESS INSTRUMENTS Length (in): 2 7/8 in

Length (in): 2 7/8 in

Far more practical than chart tubes - roll up cases without curling your maps/charts

Lewmar 40mm Control Block Vertical Lead Block

Visible reset lever shows open condition

Simple designs made from high quality materials

Harken 40mm Single Swivel Becket Ratchet Block WIRELESS INSTRUMENTS Length (in): 2 7/8 inCarbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. With on off switches. Specifications Sheave (mm): 40 mm Sheave (in): 1 9 16 in Length (mm): 102 mm Length (in): 4 in Weight (g): 52 g Weight (oz): 1. 8 oz Shackle pin (mm): 4 mm Shackle pin (in): 5 32 in Maximum line (mm): 10 mm Maximum line (in): 3 8 in Maximum working load (kg): 136 kg Maximum working load (lb): 300 lb Breaking load