Eastman ETB849 Bass Trombone Intermediate It features the new "Infinity"

It features the new "Infinity" axial flow valve

Three interchangeable yellow brass leadpipes

A number significant changes have been made to the instrument’s design allowing Yamaha to deliver a clarinet that meets clarinetists’ desires for a higher standard of clarinet

Level Professional Key Bb Neck 62 style Bell Hand engraved two-piece Key button material Polyester Mouthpiece TS4C Auxiliary Keys High F#

Nato/Mahogany Back and Sides

Eastman ETB849 Bass Trombone Intermediate It features the new "Infinity"Key of Bb, . 562" bore bass trombone 9. 5" two piece yellow or gold brass bell Open Wrap With Independent Axial Flow Valves in F and Gb Yellow brass handslide with nickel crook 3 interchangeable leadpipes Deluxe case w storage pockets and backpack straps Shires USA 1. 5MD mouthpiece