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.
- Sheave: 57 mm / 2 1/4 in
- Length: 142 mm / 5 5/8 in
- Weight: 187 g / 6.6 oz
- Shackle pin: 6 mm / 1/4 in
- Maximum line: 10 mm / 3/8 in
- Maximum working load: 720 kg / 1584 lb
- Breaking load: 1500 kg / 3300 lb
A replacement for discontinued Harken block H004 (HAR004).