Roadmaster 4400 Roadwing Mud Flap. For use with 2 inch receiver. Trim-to-fit flap dimension of 24 inch x 24 inch. 77 inch overall width. Comes in a set of 2. Bolt on with anti sail bracket. Removable mud flap system for full-size trucks. Fits most two-inch hitch receivers. It slides over your ball mount or tow bar stinger and is easily attached with set bolts, or just as easily detached.