Features: Premium material: totally new one whole made with brass material features solid durable. Exquisite craftsmanship: CNC processed plated mouthpiece has shiny smooth surface safe comfortable to play. Great sounds: mouthpiece with strong air tightness produces pure full rich metallic tones. Good mouthpiece: it is a nice replacement for your old or broken tuba mouthpiece effortless to install. More information: size of this trumpet is 7; length is 99mm; cup diameter is 47mm; backbore diameter is 13.3mm. Specifications: Material: Brass Color: Silver / Gold (Optional) Item Size: 4.7*4.7*9.9cm / 1.85*1.85*3.89in Item Weight: 169.6g / 5.98oz Package Size: 11.3*6*5.6cm / 4.44*2.36*2.20in Package Weight: 260.8g / 9.19oz Note: Tuba mouthpiece only others in pictures are not included. Due to manual measurement there may be deviation. Due to lighting or other reasons it may slightly differ from pictures. Packing List: 1 * Tuba Mouthpiece