... inside we are manufacturer good polished Common nails 1'', 2'', 3'', 4'', 5'', 6'' ,7" 1. Material: High quality low carbon steel Q195 ... , Q215 2.Finish : good polished, flat head, diamond point, hot ... .455.5928.9334.57177.846.0540.3224.8 Common nails 1'', 2'', 3'', 4'', 5'', 6'' ,7''