TECHART FORMULA BLACK GT/GTS 18 X 8.5(GT), 18 X 10.5(GT), 19 X 8.5(GTS), 19 X 11(GTS), 20 X 8.5(GTS), 20 X 11(GTS), 20 X 12(GTS), 22 X 10(GTS) GT Matte black with brushed lip. GTS Gloss black with brushed lip.