The JR Products Universal Door Bumper prevents damage to the side of your RV from the door opening too quickly or too forcefully. Mounting screws are included. Lifetime warranty.• Protects the side of your RV from door bumps• Constructed of industrial rubber• Measures 2.25"L x 1" dia. base• Mounting screw included• Lifetime warranty Measures 2.25""L x 1"" dia. base Mounting screw included | Jr Products Universal Rubber Door Bumper, Black