YAMAHA YSL-447G Tenor Trombone
Bb
Yellow Brass body
Gold brass Bell diameter: 214.4mm (8 1/2"')
Bore size L: 13.89mm (0.547") - Large orchestral bore for powerful sound projection.
Outer Slide Material: Nickel silver
Inner Slide Material: Nickel silver
Gold lacquered.
Incl. Yamaha SL-48S mouthpiece and case