562 Bore - Yellow Brass Bell - Independent Double Rotor Design Bb/F/Gb/D - Comes with extra tuning slide for Eb - Also comes with case and mouthpiece. The item "Dillon Bass Trombone" is in sale since Wednesday, October 30, 2019. This item is in the category "Musical Instruments & Gear\Brass\Trombones". The seller is "dillonmusic" and is located in Woodbridge, New Jersey. This item can be shipped to United States.