... 3)Size: 20mm 4)Plating: gold Fashion High quality rectangular metal pin badge :- Process:Various depending on the design ... and customer's requirement. (including Hard enamel, Pro-enamel, Stamped with soft-enamel, Die casting, Spin Casting, Etching, Offset printing, ... Laser/ Silk screen printing, etc) - Material: Brass, zinc alloy, tin, iron, pewter, aluminum, stainless iron, copper, etc. - Size: 10 ...