Key: BbBore: .460-inchLeadpipe: StandardLeadpipe Material: Yellow BrassBell: 4.5-inch 5X One-Piece Hand HammeredBell Material: Yellow BrassValves: Monel Pistons1st Valve Slide Adjustment: Thumb Saddle3rd Valve Slide Adjustment: N/AFeatures: One-Piece Hand Hammered Bell; Monel Valves with Metal Valve Guides; Single Amado Water KeyCase: Gladstone Pocket Trumpet CaseMouthpiece: Kanstul 3GCFinish: Lacquer, Silver