Newport Vessels Inflatable Boat Launch Wheels - Transom Mounted Heavy Duty Roller Wheels Newport Vessels Launch wheel set allows you to get your small boat to and from the water quickly and conveniently Has built in lockout pins that when removed allows the wheels to be pivoted and locked in an upright position while boating. Heavy duty rubber tires which are pneumatic and can accommodate a weight capacity of 350 lbs The entire wheel assembly can be unhooked from the transom by removing 4 simple pins. Lock in place for rolling launch, Snap & pivot up for use in the water, or remove all together by releasing 4 simple pins. It's as easy as it gets. Stainless Steel & rubber. Easily mounts to the back of the transom.