... The Sample Specifications:Name:fashion button for clothingMaterial:Metal -Brass, AlloySize:20mmColor:Nickel, Brass, Gold, Gun Metal ect. ... Die casting machine for alloy products, Stamping Machine for brass products2) Surface Coating:Polishing,Electroplate,Enamel,Pad printing, ... Brass,Copper,Gun metal, Pewter, Black nickel, alloy etc.9) Payment: 30% deposit, 70% balance before shipment2012 button ...