Features Key: BbBore: .459-inchLeadpipe: Standard taperLeadpipe material: Yellow brassBell: 4.9-inch #37 taper one-piece lightweightBell material: Gold brassValves: Monel piston1st valve slide adjustment: Thumb saddle3rd valve slide adjustment: Fixed ring with stopFeatures: Standard leadpipe; #37 taper lightweight one-piece hand hammered bellCase: Double wood shell caseMouthpiece: YesFinish: Lacquer or Silver Description Product Description The 3137TC Challenger II Custom Series was developed in close cooperation with leading international trumpet artist Thierry Caens, and offers the best of French light style in trumpet design. The 3137TC features a .459-inch bore combined with a lightweight, hand hammered one-piece gold brass bell with a #37 taper. This Challenger II Custom trumpet also features Monel valves and nickel silver outer slides. The 3137TC Challenger II Custom Series includes a double case and mouthpiece and is available in lacquer or silver finish. Select finish from dropdown menu.