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): 57 mm
• Sheave Ø (in): 2 1/4 in
• Length (mm): 121 mm
• Length (in): 4 3/4 in
• Weight (g): 431 g
• Weight (oz): 15.2 oz
• Shackle pin Ø (mm): 6 mm
• Shackle pin Ø (in): 1/4 in
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 680 kg
• Maximum working load (lb): 1500 lb
• Breaking load (kg): 1700 kg
• Breaking load (lb): 3750 lb