Airhead Tow Harness - Heavy Duty This heavy duty tow harness is perfect for pulling skiers, wake boarders and up to 4 rider towables. Simply clip it onto your boat with the 2267kg tensile strength hooks, and attach your ski or tube rope to the heavy duty Kwik-Connect. A 15cm float keeps the Kwik-Connect floating on top, away from your propeller. 3.6m long to fit larger boats and pontoons. The hooks are rust resistant zinc galvanised carbon structural steel. Hook opening width 12.7mm.