Plate Keeper Automotive License Plate Security Fasteners for American Made Vehicles 4 stainless steel security screws and 1 installation tool Screw length 3/4-inch Fits: Buick Cadillac Chevrolet Chrysler Dodge Ford GMC Hummer Jeep Lincoln Mercury Pontiac RAM Saturn Security for vanity plates, custom frames and toll transponders Made in the USA stainless steel prevents rust