Features: Premium material: totally new one, whole made with high quality brass material, features solid, durable.Exquisite craftsmanship: CNC processed, plated mouthpiece has shiny surface, safe, comfortable to play.Great sounds: the mouthpiece, with strong air tightness, produces pure, full, , metallic tones.Good mouthpiece: it is a 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: SilverItem Size: 4.7 x 4.7 x 9.9cm / 1.85 x 1.85 x 3.89inItem Weight: 169.6g / 5.98ozPackage Size: 11.3 x 6 x 5.6cm / 4.44 x 2.36 x 2.20inPackage Weight: 260.8g / 9.19ozNote: Tuba mouthpiece only, others in pictures are not included.Package Contents:1 x Tuba MouthpieceOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.