Features: Premium material: totally new one, whole made with high quality brass material, Features solid, durable. Exquisite craftsmanship: CNC processed, plated mouthpiece has shiny smooth surface, safe, comfortable to play. Great sounds: the 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: 4.7x4.7x9.9cm / 1.85x1.85x3.89in Item Weight: 169.6g / 5.98oz Package Size: 11.3x6x5.6cm / 4.44x2.36x2.20in 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 x Tuba Mouthpiece Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin