Harken 40mm Carbo Fiddle Block with Carbo Cam Cleat and Becket Tracking_Boardfy Allen Keyball Trapeze System -

Allen Keyball Trapeze System - With Narrow Backing Plate - Includes 2 x Handles

Improved ankle strap design removes bulk but retains support

Sheave 57 mm Length  142 mm Weight  187 g Shackle Pin  6 mm Maximum Line  10 mm  Maximum Working Load  720 kg Breaking Load  1500 kg

you can ensure the sleeves stay in place using the integrated thumb loops

Harken 40mm Carbo Fiddle Block with Carbo Cam Cleat and Becket Tracking_Boardfy Allen Keyball Trapeze System -Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3: 1 and 4: 1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats. Sheave 40 mm Length 131 mm Weight 128 g Shackle Pin 4 mm