Mendini MTB-43 Intermediate B Flat Tenor Valve/Slide Combo Trombone with Monel Valves aka"Super-Bone" Lacquer yellow brass intermediate B Flat tenor valve / slide combo trombone with monel valves .500" medium bore, 8.5" bell, nickel plated lead pipe, tuning slides and valve casings Standard shank with large shank adapter, silver plated 12C mouthpiece Includes: Cecilio 92-D chromatic tuner, pro-deluxe durable hard case, a pair of white gloves & cleaning cloth 1 Year Warranty Against Manufacturer's Defects