U.S. Air Force Men’s Belt Buckle Antique Silver Tone Fit 1.5″ Belts Eagle Flag #3D061AS Made of zinc alloyLead free materialsAntique silver finishLength: 3.25″Width : 3.25″ The inner diameter for back loop is 1.58″ (40 mm)Fits belts up to 1.5″ Button snap on belts