Mendini MTB-33 Intermediate B Flat Tenor Slide Trombone with F Trigger Intermediate B Flat tenor trombone with F-attachment, Mechanical linkage .525" medium-large bore, rose-brass 8" bell, rose brass lead pipe, nickel plated inner & outer slide Standard shank with 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