Joker MacHine License Plate Back Plate Black Anodized Universal This simple, yet super strong, aluminum back plate really improves the flimsy plate alone look when mounting onto most taillight setups Back plate is made from sturdy 1/8in. thick 6061-T6 aluminum sheet stock Provides a minimalistic vintage look Available in a hard black anodized finish Fits most 4in. x 7in. license