Harken 40mm Carbo Ratchet Block delivers optimal line control for sailors. With its hand-hold feature, it balances holding power and easy easing, equipped with on/off switches. Ideal for demanding marine environments.

• Sheave Ø (mm): 40 mm
• Sheave Ø (in): 1 9/16 in
• Length (mm): 86 mm
• Length (in): 3 3/8 in
• Weight (g): 49 g
• Weight (oz): 1.7 oz
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 136 kg
• Maximum working load (lb): 300 lb
• Breaking load (lb): 1000 lb
• Breaking load (kg): 454 kg
• Shackle pin Ø (mm): 4 mm
• Shackle pin Ø (in): 5/32 in