... 30*3mm 3.Thickness:1-5mm 4.Plating:nickel,anti-nickel,black nickel,brass,anti-brass,copper,anti-copper,gold,anti-gold,silver, ... anti-silver,chrome,dyed black,pearl gold,pear nickel,double nickel ... epoxy ,souvenir keychains,etc 7.Material:Iron,brass,zinc alloy,gold,silver,brass,iron,stainless steel/iron,aluminum alloy,soft PVC ...