Key: BbBore: .421-inchLeadpipe: Bach TaperLeadpipe Material: NickelBell: 6-1/2-inch One-Piece Hand HammeredBell Material: CopperValves: Monel Pistons1st Valve Slide Adjustment: N/A3rd Valve Slide Adjustment: TriggerFeatures: One-Piece Hand Hammered Copper Bell; 3rd Valve Slide Trigger; French Style Vertical Valve Slides; Monel Valves with Metal Valve Guides; Nickel Silver Slides; Nickel LeadpipeCase: Deluxe Gladstone Hard ShellMouthpiece: Kanstul FB FlugelFinish: Lacquer (Silver Finish Available