Bach TR-501 S Student, Bb Trumpet, ML bore: 11.68 mm (.460""), Brass bell Ø: 122.24 mm (4-13 / 16"") with wire on the bell edge, Gold brass lead pipe with nickel silver ferrules, Valve stems made of aluminium, Ring on the third slide, Stainless steel valves, 2 Water keys, Engraving on the bell, Silver plated, Incl. light case with backpack straps and Vincent Bach 7C mouthpiece