Schilke B Series Custom Bb Trumpet with Tuning Bell Key: Bb Bore: Choice of .450, .460 or .463-inch Leadpipe: Standard Leadpipe Material: Yellow Brass Bell: 5-inch Tunable Bell Material: Yellow Brass or Copper Valves: Monel Piston 1st Valve Slide Adjustment: Thumb Saddle 3rd Valve Slide Adjustment: Fixed Ring Features: Variety of Bell and Bore Combinations to Fit Any Playing Need; Tight Valve Tolerances for Superior Performance Case: NO Mouthpiece: NO Finish: Silver (Gold Plating Availab Choose from the B Series models B1L, B2L, B3L, B4L, B5L, B6L and B7L By tuning the trumpet from the bell, the instrument offers an improved feel and superior intonation In general, the playing characteristics of this instrument will be more open or "free" feeling mainly in the upper register