Spec:Key : Bb/FBell : High grade 80:20 brassValves : Mechanical (Ball & Socket) linkageFinishes : Lacquer, Nickel PlateAdditional features : Detachable bell, Exclusive Rath designed leadpipe, Fully compensating system, Neoprene valve bumpers, Bell ring, Adjustable and reversible Bb+F leverSupplied with : JP Mouthpiece, Lightweight case, Ultra-Pure maintenance kit