●[Anti-theft] This license plate bolt will protect your valuable car license plate from theft and mischief. Screw head has "anti-fidding" pin ●Set Includes: 4 bolts, 4 washers, 1 L-type wrench, Size: M6 x 20 mm (screw length 0.6 inch (15 mm)) ●Material: Washer: Aluminum, Bolt: Stainless steel ●Attaches with a dedicated wrench: The bolt comes with a center pin so you can install it with a special wrench. Of course, it cannot be removed without a dedicated wrench, so you can protect your license plate from theft and pranks ●[Various car models] Compatible with a variety of vehicles from domestic cars to import vehicles