... zinc alloy 2), Color: Anti-brass,gun-metal etc 3), Size: 17,18,2.0mm 4), accept OE M 2012 metal ... . Name New style metal button Material Zinc alloy,Resin,plastic, Size 18mmColorAs your requestedTechnicslaser engraved, plated/ Electro, electrophoresis, organic, kirsite / ... workmanship.3) Well touch and good looking4) Customized designs or size are welcome5) No MOQ request ,small orders are acceptable6) ...