Features Key: Bb Bore: .459-inch Leadpipe: Standard Leadpipe Material: Yellow Brass Bell: 4-13/16-inch One-Piece Hand-Hammered with Flat Rim Bell Material: Yellow Brass Valves: Monel Pistons 1st Valve Slide Adjustment: Split Ring 3rd Valve Slide Adjustment: Fixed Ring Features: One-Piece Hand-Hammered Bell with Flat Rim; Special Acoustic Bell Treatment; Enhanced Radius Ferrules; Two Sets of Valve Guides (Brass and Plastic); Extended Low F 3rd Valve Slide Stop Rod; Deluxe Bell Engraving Case: C190DBL Delu Description Product Description The Bach AB190 Stradivarius Artisan Series Bb Trumpet offers the professional level performer an instrument with a response and tone worthy of the master Artisan Vincent Bach. The one-piece hand-hammered bell with a flat rim and special acoustic treatment offers a pure, responsive tone. This trumpet also features two sets of valve guides--one set of brass and one set of plastic for custom performance. Mouthpiece NOT included.