metal pin 1) 8 hours artwork, 2) 3 days sampling, 3) ... laser engrave.Plating :nickel,gold,brass,chrome,bronze,black nickel,silver,pearl nickel,anti-nickel.Material :zinc alloy,iron,brass , ... copper,aluminum,soft pvc.stainless iron.Attachment:safety pin,pin with clutch,ball chain,magnet,ribbon,dog snap.Packing:polybag ... bagProfessional services,good quality,fast delivery,competitve price. metal pin