Harken 16mm Airblock Pivot Cheek Block Tracking_Boardfy Length 61 mm Maximum Rope

Length 61 mm Maximum Rope Diameter  10 mm Weight  27 g Breaking Load  400 Kg Maximum Working Load  200 Kg

It adjusts like a standard lace-up but the ankle strap gives you extra support at the joint and keeps the fit locked in without the laces working loose mid-race

Height 30mm Length 65mm Width 32mm Weight 71g Min Line Dia

Made from strong

7 mm Weight  79 g

Harken 16mm Airblock Pivot Cheek Block Tracking_Boardfy Length 61 mm Maximum RopeThe 16 mm is Harkens smallest block. It is perfect for small synthetic control lines found on high tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. Sheave 16 mm Length 35 mm Weight 11 g Maximum Line 5 mm Maximum Working Load 113 kg Breaking Load 339 kg