EASTROCK Trombone Mouthpiece,Silver Plated Trombone Mouthpiece Small Shank 6 1/2AL, Trombone Instrument Accessories Vacuum Packed6. 5 AL trombone mouthpiece had a fuller sound, achieving loud sound and smooth intonation. Quality reliability assurance, Precision machine tool grinding. Silver plated surface for anti allergic effect and to reduce corrosion damage to the mouthpiece. Each trombone mouthpiece is vacuum packed. Presenting smoothly rim with burr free, give you clear articulation, comfortable for your mouth touching. Suitable for most tenor trombones, also common for