This listing is for a set of ftwo tire skates designed for heavy-duty vehicles such as tow trucks, wrecker, rollbacks, car carriers, and haulers. The skates are made by ST/BA brand and have a manufacturer part number of SK-AP4 (x4) / 48-100 (x4). They come with no warranty and are suitable for off-road use.These tire skates are perfect for those who need to transport heavy loads and want a reliable and durable solution. They are compatible with a variety of vehicles and are easy to use. Don't miss out on this opportunity to upgrade your towing equipment.