Its sharp black nickel plate finish makes the Allora MXPT-5801-BK pocket trumpet perfect for players who want an eye-catching horn as well as a great sound. The pocket trumpet"s compact size makes it especially well-suited for travel, beginners, and little trumpeters. Its compact size makes the Allora 5801 a great trumpet any time space is limited. Also makes muting much more convenient.Key: Bb Bore: .459-inch Leadpipe: Standard Leadpipe Material: Yellow Brass Bell: 3.66-inch Bell Material: Yellow Brass Valves: 3 Stainless Steel Piston 1st Valve Slide Adjustment: N/A 3rd Valve Slide Adjustment: Fixed Ring Features: Stainless Steel Valves; 3rd Valve Slide Ring; Two Water Keys Case: Lightweight Case with Nylon Exterior and Exterior Accessory Pocket Mouthpiece: 7C Trumpet Mouthpiece Finish: Black Nickel with Lacquer Brass Highlights