This 2Pack License Plate Frames and Cover suit for all American Cars / Trucks / Suvs / RVs / Trailers HOW TO INSTALL: 1. Place washer in position on top of hole on the top left and right and screw through hole to tighten and mount to vehicle. 2. Place screw cap over the washer in an upright position. 3. Push screw cover down grimly until a snap is heard, clicking it into place.