Mud Flap ROCKSTAR Mud Flap 3XL ROCKSTAR Mud Flap 3XL; Smooth Mill; Hitch Mount; 21.5 x 47 in.; SPECIFICATIONS: Color: Black Material: Rubber FEATURES: Unique Model Specific Design Rust Proof Aluminum Frame Friendly Radius Corners Optional Rubber Lengths For Custom Sizing Easy One Tool Assembly No Drilling Required Attaches With An Adjustable Clamping System Available Smooth Mill Or Diamond Plate ROCKSTAR(TM) mud flaps are the best fitting hitch mounted mud flaps! The unique model specific design features a custom fit aluminum frame with stabilizer plate, stainless steel hardware and 1/2" rubber flaps. Campers, boats and trailers are all significant investments. What is it worth to you to protect yours from damaging road debris? Avoid costly repairs and retain maximum resale value of your boat, camper or trailer by investing in ROCKSTAR(TM) hitch mounted mud flaps. Made model specific for the best possible fit, ROCKSTAR(TM) hitch mounted mud flaps contour to fit your truck's bumper and act like a shield to deflect rocks and other road debris away from what you tow.