Tow-master special trailer tires are a trusted and long standing name in the trailer industry. Made with quality materials to handle towing of your boat, utility, construction trailers and more. This tire is 6-ply rated and has a load capacity of 760 lbs. Engineered with a multi rib tread for a long life and less rolling resistance for better fuel efficiency. Tow-master is a line from Greenball Tires which has been in business since 1976.