Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming.
Sheave Ø (mm)57 mm
Length (mm)153 mm
Weight (g)105 g
Shackle pin Ø (mm)5 mm
Maximum line Ø (mm)10 mm
Maximum working load (kg)360 kg
Breaking load (kg)1080 kg
Harken Part Number: 2621
