Harken 57 mm Carbo Ratchet Block – Swivel, Becket, Cam Cleat
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.
| Imperial | Metric | |
| Sheave Diameter | 2 1/4 in | 57 mm |
| Max Line Diameter | 3/8 in | 10 mm |
| Max Working Load | 600 lb | 272 kg |
