Key: BbBore: .571-inchBell: 11-inchBell Material: Yellow BrassBell Position: Bell FrontValves: Nickel Plated PistonNumber of Valves: 3Valve Position: Top ActionSystem: Non-CompensatingFeatures: Gold Brass Leadpipe; Yellow Brass Valve Casing; Bell Front DesignCase: YAC EPC-32 Plastic ShellMouthpiece: Yamaha SL48Mouthpiece Shank: SmallFinish: Lacquer, Silver