Bach Model TR200S .459"" medium-large bore‚ 4-3/4"" two-piece bell with rim wire‚ Monel metal pistons with two-point nylon valve guides and enclosed barrel-shaped bronze valve springs‚ one-piece Stradivarius-style brass valve casing‚ first valve slide thumb hook‚ adjustable third valve slide finger ring and stop mechanism‚ two waterkeys‚ nickel silver tuning slide receivers and trim‚ engraved bell‚ silver-plated finish‚ genuine Vincent Bach 7C mouthpiece‚ wood shell case • Key: Bb • Bore: .459-inch • Leadpipe: Standard Taper • Leadpipe Material: Yellow Brass • Bell: 4.75-inch Two-Piece Hand-Hammered • Bell Material: Yellow Brass • Valves: Monel Piston • 1st Valve Slide Adjustment: Thumb Saddle • 3rd Valve Slide Adjustment: Adjustable Finger Ring with Adjustable Slide Stop • Features: Nickel Silver Tuning Slide Receiver; Stradivarius-Style Valve Casing; Two-Point Nylon Valve Guides • Case: Wood Shell Case • Mouthpiece: Bach 7C • Finish: Lacquer or Silver