Harken 40mm Carbo Double Block with Swivel Shackle Head Shipping_Standard Length of Single Block =

Length of Single Block = 39mm

Sheave 29 mm Length  49 mm Weight  23 g Maximum Line  8 mm  Maximum Working Load  150 kg Breaking Load  454 kg

making it ideal for dinghies and anything else that runs smaller diameter lines

For many years the development team at Allen were keen to design a trapeze system that improves the safety of the sport and reduces the risk of entrapment by the traditional hook-on trapeze harness

optional click stops limit swivel rotation

Harken 40mm Carbo Double Block with Swivel Shackle Head Shipping_Standard Length of Single Block =Low 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 86 g Shackle Pin 5 mm Maximum Line 10 mm Maximum Working Load 440 kg Breaking Load 1080 kg