metal pin 1) 8 hours artwork, 2) 3 days sampling, 3) ... .Process: stamped,zinc alloy injection,photo-etched,offset print,silk screen print,laser engrave.Plating :nickel,gold,brass,chrome,bronze, ... brass ,copper,aluminum,soft pvc.stainless iron.Attachment:safety pin,pin with clutch,ball chain,magnet,ribbon,dog snap.Packing:polybag ... services,good quality,fast delivery,competitve price. metal pin