... nails made of steel, bronzed plated ,brad nails. Bronze plated Antique Wood Nails1.Material:Iron, carbon steel, stainless steel2.Head type ... type: smooth, spiral, Annular, grooved4.Surface treatment:Plain, galvanized, black, Copper, brass, bronzed5.Head diameter: 3/16"~1/2"6.Shank ... :1.5mm~6.35mm Length: 3/8"~7" Bronze plated antique wood nails