Key: BbBore: .460-inchLeadpipe: StandardLeadpipe Material: Gold BrassBell: 4-3/4-inch SeamlessBell Material: Yellow BrassValves: Nickel Silver Piston1st Valve Slide Adjustment: Thumb Saddle3rd Valve Slide Adjustment: Adjustable RingFeatures: Seamless Bell; Gold Brass LeadpipeCase: YesMouthpiece: YesFinish: Lacquer, Silver