Shank Type:smooth Head Style:Flat Type:Common Nail Material:Q195 Nails wire Head Diameter:1MM-6MM Standard:GB Surface treatment:polished electro galvanized Use:construction,sand casting,furniture repairing,wooden case Feature:Flat head, round, smooth, anti-corrosion Packing:box Length:1/2"--6'' Shank Diameter:1.8-6mm Nails normal size:1.6-5.5mm