... colors and black, engraving fonts 3,ROHS products Product name MP4 computer headset aluminum shell Materials Available1. Stainless Steel: SS201, SS303 ... . Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablebolts, screws, nuts, rivets, stem nuts, shafts(axles, spline ...