Extruded rubber coated bar magnet with screws. This magnet provides more protection to the vehicle, same holding power, no cloth tape to wear out and NO metal to scratch the car. High quality hardware included. Measures 8" x 1.5" x 0.25" with 6.75" between holes. Be sure the surface you are attaching it to is metal. Magnets of all types do not work on plastic or fiberglass. This item is designed to be used on the rear of a vehicle. Remove any dirt or debris from the rubber magnet before sticking it to a vehicle.