Yamaha YTR-8335RCS Bb trumpet; ML bore: Ø 11.65 mm; 2-piece Ø 123 mm French bead bell made of gold brass; water key on 3rd valve slide and main tuning slide; one-piece valve body; Monel valves; heavy finger hook on 1st slide; lightweight lower valve covers; removable main tuning slide support; new design on 3rd slide; finish: silver-plated; includes case and 14B4 mouthpiece