Material: carbon steel Length:20mm-120mm Shank diameter:2mm-5mm Surface treatment:galvanized, polish Cement steel nailMaterial: carbon steel Length: 20mm-120mmShank diameter: 2mm-5mmSurface treatment: galvanized, polish or yellowPackage: 1-25kg/cartonSpec: 1.8x20mm 2x20mm, 2x25mm, 2x30mm 2.5x25mm, 2.5x30mm, 2.5x40mm 3x30mm, 3x40mm, 3x50mm, 3x60mm, 3x70mm, 3x80mm,3x90mm,3x100mm 3.4x50mm 3.8x65mm 4 ...