Key: C Bore: .460-inch Leadpipe: Standard Leadpipe Material: Gold Brass Bell: 4-3/4-inch One-Piece Hand Hammered Bell Material: Yellow Brass Valves: Nickel Silver Piston 1st Valve Slide Adjustment: Thumb Saddle 3rd Valve Slide Adjustment: Fixed Ring Features: One-Piece Hand Hammered Bell; Gold Brass Leadpipe Case: Yes Mouthpiece: Yes Finish: Lacquer, Silver