Cuff links Specifications: 1) material: brass 2) plating: gold, silver, nickel, copper, brass, antique gold, antique bronze, antique silver 3) process: stamping (die struck) , injection die casting, photo etched, offset printing, screen printing, pewter, pvc 4) finish: soft enamel, imitation hard enamel, hard enamel, hand polish, sand blasting, printing, gemstone According to your own prefer