Harken 40mm Carbo Air Block w/Cam Cleat

40mm Carbo Air Block with Cam CleatLow-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. Specifications: Sheave A~ (mm)40 mm; Sheave A~ (in)1 9/16 in; Maximum line A~ (mm)6 mm; Maximum line A~ (in)1/4 in; Maximum working load (kg)68 kg; Maximum working load (lb)150 lb; – cis2:mm5mnJlm –