Superb Condition: Kaerntner Tenor Bass Trombone KTB-65 No rust is visible (I examined it closely, but please forgive me if I missed anything). It's in very good condition. (As a bonus, I'll include a maintenance kit (used)). Please consider purchasing. If you have a price reduction request, I will do my best to accommodate it, so please feel free to ask. Key: B♭/F Slide Outer Tube: Yellow Brass Slide Inner Tube: Nickel Silver Bore Size: 13.9mm Bell Size: 213mm (8 1/2 inches) Mouthpiece: Large Shank Finish: Clear Lacquer