The one-touch locking mechanism makes it easy to operate and very convenient. It is very convenient to move when launching or landing, without worrying about damaging the hull. Remove the center pin and lock pin to remove the post and wheel from the mounting base. The tire and frame are sloped when flipped up, so it does not interfere with the outboard operation. The stainless steel frame and polyurethane no-punk tires resist rust and punctures. Comes with stainless steel bolts and nuts (φ0.3 x 2.0 inches (7 x 50 mm)), so please drill holes in the transom part and attach it.Please prepare a reinforcement board if needed. Cannot be used for towing the road in automobiles, etc.