Harken 40mm Carbo Block features low-friction, high-strength design for reliable, budget-friendly sailing. Ideal for high working loads, these Harken blocks make sail trimming safe and effortless.

• Sheave Ø (mm): 40 mm
• Sheave Ø (in): 1 9/16 in
• Length (mm): 86 mm
• Length (in): 3 3/8 in
• Weight (g): 44 g
• Weight (oz): 1.6 oz
• Shackle pin Ø (mm): 4 mm
• Shackle pin Ø (in): 5/32 in
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 220 kg
• Maximum working load (lb): 485 lb
• Breaking load (kg): 735 kg
• Breaking load (lb): 1620 lb