Discover the Harken 57mm Double Carbo Air Block Beck: Lightweight, robust, and budget-friendly. Ideal for Harken Big Boat setups, handles high working loads for safe trimming.

• Sheave Ø (mm): 57 mm
• Sheave Ø (in): 2 1/4 in
• Length (mm): 142 mm
• Length (in): 5 5/8 in
• Weight (g): 187 g
• Weight (oz): 6.6 oz
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 720 kg
• Maximum working load (lb): 1584 lb
• Breaking load (lb): 3300 lb
• Breaking load (kg): 1500 kg
• Shackle pin Ø (mm): 6 mm
• Shackle pin Ø (in): 1/4 in