Cecilio 3Series TB-383 Intermediate Bb Tenor Slide Trombone with F Attachment Intermediate Bb 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: Pro-deluxe durable plush-lined light weight hard case with backpack straps and zipper pocket, a pair of white gloves & cleaning cloth 1 Year Warranty Against Manufacturer's Defects