Harken 57mm Carbo Ratchamatic offers load-sensitive ratcheting for versatile sailing needs. It freely rolls under low loads and auto-engages as tension rises. Transition between ratchet and light-air modes effortlessly. Features include medium/light air grip and 10:1 holding power.

• Sheave Ø (mm): 57 mm
• Sheave Ø (in): 2 1/4 in
• Length (mm): 103 mm
• Length (in): 4 1/16 in
• Weight (g): 104 g
• Weight (oz): 3.7 oz
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 227 kg
• Maximum working load (lb): 500 lb
• Breaking load (lb): 2000 lb
• Breaking load (kg): 907 kg
• Shackle pin Ø (mm): 5 mm
• Shackle pin Ø (in): 3/16 in
• Holding power: 10:1