Material List: 1.Copper, Bronze,Brass 2.Stainless Steel 3.Aluminum 4.Titanium Material List:1.Copper: C1100,T2 fasteners2.Bronze: C65100,C65500, ... C51900,C62300 fasteners3.Brass: H58,H59 ... so you can trust our product quality.Other Products: ; Copper,Bronze,Brass,SS,Aluminum,Titanium material