... Q215 Carbon Umbrella roofing nail1) Specifications: 8G, 9G, 10G, 11G, 12G, 13G2) Length: 1"---6".3) Shank Diameter: M1.2 ... Polished, electro galvanized, hot-dip galvanized7) Description:umbrella head, smooth body, twist body8) Package: Bulk packing; carton, bag, ... biggest factories which produce common wire nail, umbrella roofing nails, coil nail, building nails, screw nail, concrete nail, also we can ...