Steel Decorative nails Brass plated,brad nails. Copper and bronze options Brass Coated Steel Decorative Nails1. Material: ... . 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: 3/16"~1/2"6. Shank diameter:1.5mm~6.35mm Length: 3/8"~7" Brass plated Decorative Nails