Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. We aim to have Pre Order Harken parts ready for shipping within a week of purchase.  On/off switch operates from both sides. 2x grip: big breeze/steady: 20:1 holding power Sheave Ø (mm)57 mm Length (mm)103 mm Weight (g)85 g Shackle pin Ø (mm)5 mm Maximum line Ø (mm)10 mm Maximum working load (kg)227 kg Breaking load (kg)907 kg Sheave facet count: 45 Also available in 2 other options (Titanium and Black) of faceted holding power to best take advantage of the day's wind and wave conditions.