Eagle Skull Bones Belt Buckle Bad to the Bone Biker Fit 1.5″ Belts Enamel Silver #3D042 Made of zinc alloyLead free materialsAntique brushed silver toneEnamel inlayLength: 4.25″Height: 2.5″The inner diameter for back loop is 1.58 inches (40 mm)Fits belts up to 1.5 inches Button snap on belts