Harken Carbo Blocks – Various Sizes and Styles

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.

Block (mm) Sheave (mm) Length (mm) Weight (g) Max Line Diameter (mm) Max Working Load (kg) Breaking Load (kg) 29 29 66 26 8 150 454 40 40 86 44 10 220 735

Please note that where applicable, sizes shown are United Kingdom sizes.

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.