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)40 mmSheave (in)1 9/16 inLength (mm)94 mmLength (in)3 11/16 inWeight (g)118 gWeight (oz)4.6 ozShackle pin (mm)5 mmShackle pin (in)3/16 inMaximum line (mm)10 mmMaximum line (in)3/8 inMaximum working load (kg)660 kgMaximum working load (lb)1455 lbBreaking load (kg)1383 kgBreaking load (lb)3050 lb