... ,stamping -use:Art&Collectible,gift,crafts -OEM is welcome metal keyring opener details:1) Material & peocess :Zinc alloy, brass,iron,copper ... .5mm,2mm,2.5mm etc(up to customer’s request)4) Electric-plateing:gold,anti-gold,silver,anti-silver,nickel,anti ... ,Pearlized,Silver, Anti-silver Size: 6cm 3cm 3.5cm 4cm 4.5cm 5cm 5.5cm 6cm 6.5cm 7cm 7.5cm ...