• Key Bb/A • .450" bore • Silver-Plated yellow brass finish • One-Piece hand-hammered 4" bell • Four Monel valves • Two-Piece valve casing • Interchangeable Bb and A leadpipes • 3rd valve slide throw ring • dual compartment wood-frame case includes XO Series Tourlite™ case for piccolo trumpet with storage provisions for Bb or C trumpet.