... gold,antique brassSizeOUter Diamater 9.8mm, Inner 5mm, Height 5mmTechnics(1) Rolling plating Gold color(2) or orther way Spray fancy ... : 10,000 square metersTitle: Main production:1.Snap button(4 parts snap button)2.Metal Rivet ( single head, double head, ... ,rectangle ring and etc)5.Orther metal products apply on garment, shoe, luggage,belt. 9.8mm outer size round metal grommets eyelets