Harken 40 mm Quad Carbo Block
$186.53Low-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. Imperial Metric Sheave Diameter 1 9/16Â in 40Â mm Max Line Diameter 3/8 in 10 mm Max Working Load 1455 lb 660 kg