Get your semi truck Ready for the Road Ahead with increased vehicle protection, with the Betts Spring 30.250" Angled Spring Loaded Type Mud Flap Hanger. To prevent mud, dirt, oil, and other contaminants from damaging a vehicle or those behind it, this replacement device works to hold a mud flap in place. Built with a powder-coated carbon steel finish for extreme durability. FleetPride is your First Click in Heavy Duty .