Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4 in Length (mm) 83 mm Length (in) 3 1/4 in Weight (g) 71 g Weight (oz) 2.5 oz Maximum line Ø (mm) 10 mm Maximum line Ø (in) 3/8 in Fasteners (mm) M4 mm Maximum working load (kg) 227 kg Maximum working load (lb) 500 lb Breaking load (kg) 907 kg Breaking load (lb) 2000 lb Holding power 10:1 Footnote Includes fasteners and mounting pad.