Harken 57mm Carbo Ratchet Block with Beck & 150 Cam provides sailors the perfect balance between strong holding power and smooth line control. Ideal for hand-holding loaded lines.

• Sheave Ø (mm): 57 mm
• Sheave Ø (in): 2 1/4 in
• Length (mm): 143 mm
• Length (in): 5 5/8 in
• Weight (g): 303 g
• Weight (oz): 10.7 oz
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 359 kg
• Maximum working load (lb): 792 lb
• Breaking load (lb): 2380 lb
• Breaking load (kg): 1080 kg
• Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.
• Shackle pin Ø (mm): 5 mm
• Shackle pin Ø (in): 3/16 in
• Holding power: 10:1