The JTB1100FQ is a perfect trombone to move into when searching for a quality, affordable intermediate trombone. This trombone features a medium large bore for a more free-blowing instrument plus a modified open wrap F Attachment for less resistance. FEATURES Lacquered Brass Body is produced using state of the art technology to ensure an instrument of the most accurate scale and playability A Nickel Silver Outer Slides provides increased resistance to denting or damage to the instrument SPECS Key : Key of Bb Bell : 8.07″ Bell Outer Slide Material : Nickel Silver Outer Slide Valve : Mechanical -Link Tapered Rotary Valve Wrap Style : Modified Open Wrap Finish : Lacquered Finish Bore Size : .525″ Medium Bore Case : Backpack Softcase