Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.Sheave Ø (mm)40 mmSheave Ø (in)1 9/16 inLength (mm)102 mmLength (in)4 inShackle pin Ø (mm)6 mmShackle pin Ø (in)1/4 inMaximum line Ø (mm)10 mmMaximum line Ø (in)3/8 inMaximum working load (kg)136 kgMaximum working load (lb)300 lbMFG# HSB411 UPC# 97653143598HARKEN