Harken 40mm Double/Swivel Carbo Block offers low-friction performance and high-strength construction for reliable sail trimming. Lightweight and affordable, it excels in high-load situations.

• Sheave Ø (mm): 40 mm
• Sheave Ø (in): 1 9/16 in
• Length (mm): 94 mm
• Length (in): 3 11/16 in
• Weight (g): 86 g
• Weight (oz): 3.2 oz
• Shackle pin Ø (mm): 5 mm
• Shackle pin Ø (in): 3/16 in
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 440 kg
• Maximum working load (lb): 970 lb
• Breaking load (kg): 1080 kg
• Breaking load (lb): 2380 lb