Length: 3 / 8 "- 7" Shank diameter :1.0-6 .5 mm Material:Q235 Carbon Steel Surface Treatment: polished, galvanized We are one of the biggest factories which produce common wire nail, umbrella roofing nails, coil nail, building nails, screw nail, concrete nail, also we can supply you the electro galvanized iron wire, Black Annealed Wire.We have rich experience and we have exported them for many ...