Harken 57mm Carbo Ratchet Single Block with Swivel Head Red Sheave Shipping_Carrier The laces run through the

The laces run through the upper and are secured with a wide ankle strap at the top

Main: 100% Nylon

Fly blocks are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers

Boom Size - 43mm

Harken 57mm Carbo Ratchet Single Block with Swivel Head Red Sheave Shipping_Carrier The laces run through theSame as the HK 2135, but comes with a red sheave. Carbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. On off switch operates from both sides. Standard grip: medium light air; 10: 1 holding power Sheave 57 mm Length 103 mm Weight 85 g Shackle Pin 5 mm Maximum Line 10 mm Maximum Working Load 227 kg Breaking Load 907 kg Holding Power 10: 1