... )prompt delivery time 1) MaterialBrass/ Iron / Alloy2) Colorsnickel/nickel free, anti-brass, anti-copper, gun metal, light pewter, dull- ... nickel, nickel free dark pewter, nickel free light pewter, nickel free dull-nickel, and more3) Size27*20*6 ... ,customers' logo and design are welcomedb) OEM and ODM service is available7) R&D Follow customers' requirement to design buttons ...