Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable.

Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications

• Footnote: Maximum working loads and breaking loads for blocks based on cam strengths. 
• Sheave Ø (mm): 40 mm
• Sheave Ø (in): 1 9/16 in
• Length (mm): 110 mm
• Length (in): 4 5/16 in
• Weight (g): 235 g
• Weight (oz): 8.3 oz
• Shackle pin Ø (mm): 5 mm
• Shackle pin Ø (in): 3/16 in
• Maximum line Ø (mm): 6 mm
• Maximum line Ø (in): 1/4 in
• Maximum working load (kg): 408 kg
• Maximum working load (lb): 900 lb
• Breaking load (kg): 816 kg
• Breaking load (lb): 1800 lb