metal fob, keyring, keychain, , customized Metal FobMaterial: iron / brass / copper / stainless steel / aluninium / zinc alloy / lead-tin alloy / pure tin etcProcess: die-casting / die struck / stamped / spin-casting / photo etching / silkscreen printing / CMYK printing etcSize: customizedColor: Pantone color chart / CMYKEpoxy: with / withoutPlating: nickel /black nickel / silver / gold / copper ...