Yamaha YSL-671 Professional Alto Trombone Outfit

Key of Eb. .470".490" dual bore, 7-38" hand-hammered one-piece bell, gold brass lead pipe, chromeplated nickel silver inner slide, yellow brass outer slide, hand-lapped tuning slide, slide lock, gold lacquer finish. Includes mouthpiece, slide cream, and wood case. All Yamaha wind instruments come with a limited 5-year warranty.