Harken 40 mm Block Swivel, Cam Cleat, 2645

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.

- 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)86 mm
- Length (in)3 3/8 in
- Weight (g)119 g
- Weight (oz)4.2 oz
- Shackle pin Ø (mm)4 mm
- Shackle pin Ø (in)5/32 in
- Maximum line Ø (mm)6 mm
- Maximum line Ø (in)1/4 in
- Maximum working load (kg)68 kg
- Maximum working load (lb)150 lb
- Breaking load (kg)136 kg
- Breaking load (lb)300 lb