Harken 40mm Carbo Triple Block with Swivel Shackle Head Tracking_Boardfy 90% Neoprene / 10% Nylon

90% Neoprene / 10% Nylon

while the internal silicone grippers keeps it in place while you move

If being used for any other function/casually

Max working load 220Kg

and quick to shed between races when the sun comes out

Harken 40mm Carbo Triple Block with Swivel Shackle Head Tracking_Boardfy 90% Neoprene / 10% NylonLow 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 40 mm Length 94 mm Weight 118 g Shackle Pin 5 mm Maximum Line 10 mm Maximum Working Load 660 kg Breaking Load 1383 kg