Concrete Nails 1.Material:iron,carbon steel 2.Sizes:all sizes 3.Surface:zinc plated,plain,etc Concrete Nails1.Material:iron,carbon steel2.Sizes:all sizes 3.Surface:polished,galvanized §Surface Treatment: polished, galvanized4.Features: flat caps,round shank, diamond point, bright and smooth surface, strong rust-proof. Usage: Industrial construction, foundry, furniture repair, packing boxes and so ...