... :zinc alloy Size:25x25x25mm Tech:casting-polishing-plating Packing:1pc/polybag Card HolderMaterial : iron,brass,zinc alloySize:3.8-4.5cm( or ... as to customer requirement)Tech:die cast,die stamping,plating ... the design into actual good by Moulding,casting or stamping,plating,if need filling color,also will do the packag(usually ...