Key: Bb Bore: .460-inch Leadpipe: Pro Series Leadpipe Material: Yellow Brass Bell: One-Piece Hand-Hammered Commercial Bell Material: Yellow Brass Valves: Monel Piston 1st Valve Slide Adjustment: Thumb Hook 3rd Valve Slide Adjustment: Fixed Ring Features: Pro Series Leadpipe and Tuning Slide Design; One-Piece Hand-Hammered Commercial Bell; Pro Series Valve Design with Hand Lapped Monel Pistons Case: C-ML1 Deluxe Wood Mouthpiece: Blessing 7C Finish: Lacquer, Vintage Raw, Silver, Silver with Gold P