... .various kinds sizes of steel concrete nails2.High quanlity competitive price of steel concrete nails3.Material of steel concrete nails:High quanlity Mid ... -carbon steel4.surface treatment of steel concrete nails:Bright,,hot dipped,wished ,electro-galvanized zine,black,blue, ... and special spec according require.6.common size of steel concrete nails:1/2" - 6" 7.MOQ:One 20 FCL8.Payment ...