Duplex Nail: 1.length:2-1/4''~4-1/4'' 2.diameter:6GA~11.5GA 3.model:6D,8D,10D,12D,16D,20D,30D 4.material:Q195\Q235... Duplex Nail: 1.length:2-1/4''~4-1/4'' 2.diameter:6GA~11.5GA 3.model:6D,8D,10D,12D,16D,20D,30D 4.material:Q195\Q2355.Surface : bright, electro.galvanized,hdg,liquid and so on.6. Packing : Small box, Polybag , Bulk Carton and so on.Our common nail was exported to The Middle East ...