... steel, iron, pewter, aluminum. Tie bar features:1) Materials: brass, zinc alloy, stainless steel, iron, pewter, aluminum2) Plating: gold, anti-gold, pearlized ... cast, injection, photo etching4) Logo: offset, silk screen print, soft enamel, coloring, laser printing , embossed , engraved 5) Various thickness available6) ... information,please feel free to contact us.With best regards Metal enamel tie clip