Harken 57mm Carbo Triple Block with Swivel Head and Becket Shipping_Standard you can stay protected from

you can stay protected from the sun

Innovative light weight construction

and lightly loaded control lines on boats of all sizes

lower loaded control lines consider the dynamic range

Harken 57mm Carbo Triple Block with Swivel Head and Becket Shipping_Standard you can stay protected fromLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave 57 mm Length 142 mm Weight 264 g Shackle Pin 6 mm Maximum Line 10 mm Maximum Working Load 1080 kg Breaking Load 2270 kg