Material Capacity: Stainless steel(eg 304,303,316), Brass, Copper, Bronze, Zinc, Aluminum,Titanium, Gavanize plate, POM, ABS, PVS, Bakelite, Acrylic,etc. Surface treatment: Grinding, Polish, Anodize, Nitriding, Passivate, Chrome,Sand blast, Carburizing, Zinc/Chrome/Nikel/Gold/Silver plating, power painting,etc Tolerance:±0.01mm..