Denis Wick Euphonium Mouthpiece ULTRA GP SM3U Gold Plated This is a euphonium mouthpiece for a large shank. It has a large cup for a deeper sound. ▼Details Cup Inner Diameter: 26.40 mm Rim Width: 6.3 mm Bore Size: 7.40 mm I bought it about 7 or 8 years ago and used it for about a month, but I haven't used it since then, so I'm selling it. Basically, there are no major scratches, but please refrain from purchasing if you are concerned about minor details. *Accessories (mouthpiece box) are not included. I will wrap it thickly in bubble wrap and ship it. #Euphonium #Mouthpiece #DenisWick