... struck injection:printing size:according to client's inquiry custom cufflinks Materialzinc alloy,brass,iron,stainless iron,aluminum etcProcessDie struck, Die ... enamel, Cloisonne, Imitation Cloisonne, offset printed.Platinggold,antique gold,,silver,antique silver,bronze,antique bronze,copper,antique copper,nickle,black nickle etcSizeCustomer ... make the design for you as well. printing custom cufflinks