Bb horn with A+ valve and 4 rotary valves that features brass body, leadpipe and detachable bell with diameter of 315 mm. It features a mechanism with double ball joints, rotor lever plate in long form, child-friendly thumb holder ring and fixed finger hook. It comes supplied with silver-plated mouthpiece and light case with backpack straps for transport with screwed bell. Case dimensions: 660 x 430 x 360 mm. Bore: 11.5 mm. Clear lacquered finish.