Harken 40mm Carbo Quad Block with Swivel Tracking_Boardfy 1mm Insulating neoprene – 4-way

1mm Insulating neoprene – 4-way superstretch for the best possible flexibility and fit

EN ISO 12402-5 Certified

Sheave 40 mm Length  94 mm Weight  170 g Shackle Pin  5 mm Maximum Line  10 mm  Maximum Working Load  660 kg Breaking Load  1383 kg

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

such as a spinnaker halyard

Harken 40mm Carbo Quad Block with Swivel Tracking_Boardfy 1mm Insulating neoprene – 4-wayLow 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 170 g Shackle Pin 5 mm Maximum Line 10 mm Maximum Working Load 660 kg Breaking Load 1383 kg