Concrete nail and steel nail

Concrete nail and steel nail Specification: 1. Diameter: 18BWG-----6BWG   2. Length: 1-6" 3. Material:45# 55# 60# steel 4. Feature: Round Head, Flat Head, Smooth Shank or Lined Shank 5. Finished: Polished, Electric Galvanized, Black Finished 6. Packing: 1KG/Box and 25Boxes/Carton or in bulk, also can do as the customers demand  If you interest in it, please let me know your detailed information on this, such as the material, the size, the quality details and the packing, Once I know your detailed quality demand, so that I can quote you a exact and reasonable price.      We are able to custom-make different type Nail.Looking forward to your inquire,my friend.