1100% brand new and high quality. 2Made of galvanized carbon steel material, good corrosion resistance. 3There are 50 pieces knurled head screws for your choice. 4Ten kinds knurled head screws: M58, M510, M512, M514, M516, M518, M520, M525, M530 and M535 5Suitable for connections of domestic and commercial appliances.
