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 (mm)57 mmSheave (in)2 1/4 inLength (mm)121 mmLength (in)4 3/4 inWeight (g)178 gWeight (oz)6.3 ozShackle pin (mm)6 mmShackle pin (in)1/4 inMaximum line (mm)10 mmMaximum line (in)3/8 inMaximum working load (kg)720 kgMaximum working load (lb)1584 lbBreaking load (kg)1500 kgBreaking load (lb)3300 lb