Full Throttle Ski/Tube Tow Harness - Match up this Full Throttle ski/tow harness to our Full Throttle tubes, skis, wakeboard or kneeboard ropes. This heavy-duty tow harness has two durable snap hooks that attach easily to boat or pontoon tow eyelets, and a foam float at Quick Connect end to keep the rope away from your propeller. The snap hook opening is 7/16in. Quick Connect 2 metal snap hooks 6in float keeps quick connect floating on top of water