Harken 16mm Airblock Pivot Cheek Block Tracking_Boardfy Length (in) 1 5/8 Width

Length (in) 1 5/8 Width (in) 1 3/8 Weight (pair) (in) 1

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

Sheave 16 mm Length  76 mm Weight  27 g Maximum Line  5 mm Fasteners  4 RH mm Maximum Working Load  113 kg  Breaking Load  544 kg

Designed for use on both dinghies and keelboats which require a central jammer that takes up less space and has a lower cleat

Designed to be worn alone or over drysuit seals for extra protection

Harken 16mm Airblock Pivot Cheek Block Tracking_Boardfy Length (in) 1 5/8 WidthThe 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