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Harken Carbo Blocks - Various Sizes and Styles
Lightweight, strong and reliable fiber-reinforced composite construction
Ball bearings, sheave, and sideplates are UV-stabilized
Harken 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. Lightweight nylon resin sideplates replace stainless steel straps found in Classic blocks. Densely packed glass fibers reinforce resin for strength.