The Airhead Inflatable Towable - Heavy Duty - 4 Rider is perfect for pulling skiers, wake boarders and up to 4 rider towables. Simply clip it onto your boat with the 5,000-pound tensile strength hooks, and attach your ski or tube rope to the heavy duty Kwik-Connect. A 6" float keeps the Kwik-Connect floating on top, away from your propeller. 3.7m long to fit larger boats and pontoons. Hook opening width 1.3cm.