Product

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 Ø (mm)
57 mm

Sheave Ø (in)
2 1/4 in

Length (mm)
110 mm

Length (in)
4 5/16 in

Weight (g)
269 g

Weight (oz)
9.5 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)
136 kg

Maximum working load (lb)
300 lb

Breaking load (kg)
340 kg

Breaking load (lb)
750 lb

Footnote
Maximum working loads and breaking loads for blocks based on cam strengths.