Sickspeed 4Pc Black Anodized License Plate Bolts 4Pcs Supreme quality license plate bolts from Sickspeed This is a set of 4 washers with bolts. Made from weapons grade billet aluminum, these beauties are hard-anodized for a lasting finish. These washers will fit nearly every late model vehicle's license plates. Bolts are 6mm x 20mm, longer than many others out there.