The Model BMWR trumpet is a medium weight variation of the Shires Model B trumpet. With the same broad bell taper in medium weight yellow brass, it produces a brilliant sound and easy, centered response in all registers. The reverse, rounded main tuning slide creates an even playing experience, making this trumpet makes a great choice for commercial, quintet, jazz, and other small ensembles. Key: Bb Bore: .459 inch Bell: Model B bell Medium weight (4 13/16-inch, one-piece, hand-hammered open taper in yellow brass with round bead) Leadpipe: WR leadpipe (.347" venturi, reverse standard weight yellow brass) Tuning Slide: Rounded Finish: Satin Lacquer Case? Yes