Feature:1. Premium material: totally new one, whole made with high quality brass material, features solid, durable.2. Exquisite craftsmanship: CNC processed, plated mouthpiece has shiny smooth surface, safe, comfortable to play.3. Great sounds: the mouthpiece, with strong air tightness, produces pure, full, rich, metallic tones.4. Good mouthpiece: it is a nice replacement for your old or broken tuba mouthpiece, effortless to install.5. More information: size of this trumpet is 7; length is 99mm; cup diameter is 47mm; backbore diameter is 13.3mm.Specification: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: BrassColor: Silver / Gold (Optional)Item Size: 4.7*4.7*9.9cm / 1.85*1.85*3.89inItem Weight: 169.6g / 5.98ozPackage Size: 11.3*6*5.6cm / 4.44*2.36*2.20inPackage Weight: 260.8g / 9.19ozNote: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 MouthpiecePackage List:1 * Tuba Mouthpiece