This is a custom made RC Boat Trailer. Designed to tow RC Boats behind RC cars. 3D printed connections and Aluminium frame channels. Prints are PLA material Comes assembled as shown on photos, made of brand new parts. 4x10x4 bearings for the wheels. (those are molded RC touring car wheels, 65mm diameter) 520mm long 235mm wide Your boat shall be at least 120mm wide. Any questions, just ask. I will print more parts and have new listings.