Mendini MTB-31 Intermediate B Flat Tenor Slide Trombone with F Trigger with Tuner, Case, Mouthpiece, Gloves and Cleaning Cloth Lacquer yellow brass intermediate B Flat tenor trombone with F-attachment, Mechanical linkage .547" large bore, 8.5" bell, nickel plated lead pipe, inner & outer slide Large 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