Taking your boat out should be relaxing. Launch your boat with ease with ALEKO's heavy duty dinghy launching wheels. Simply attach the wheels to your boat and you’ll be able to roll it down the shore and into the water. ALEKO’s wheels are a snap to install, with auto lock wheel arms that will keep your boat level. Wheels are made from heavy duty 3 millimeter aluminum alloy tubing and thick rubber tires, so they’ll last without needing to be replaced. Tire Diameter: 15 inches; wheel arm diameter: 23 inches; Weight Capacity: 330 lbs.