... and bronze options Brass Coated Steel Decorative Nails1. Material:Iron, carbon steel, stainless steel, Q195,Q235.2. Head type: flat, round flat ... , oval, headless...3. Shank type: smooth, spiral, Annular, grooved...4. Surface treatment:Plain, galvanized, black, Copper, brass, bronzed...5. Head diameter: 3 ... . Shank diameter:1.5mm~6.35mm Length: 3/8"~7" Brass plated Decorative Nails