Euphonium mouthpiece supervised by euphonium player Steven Mead ULTRA SM5U Cup inner diameter: 25.75 mm Rim width: 6.3 mm Bore size: 7.40 mm Slightly larger cup inner diameter than Bach 5 Silver plated, large shank ULTRA has a solid volume cup and rim, maximizing the rich resonance and warm tone of the euphonium, with power and expressiveness. This is a euphonium mouthpiece with a large cup and a characteristic deep, warm tone. Price: 27,500 yen The condition is good as it has been used for about a month after being purchased new, but please understand that it is a used item. There are some lines on the instrument insertion part. The box is not included, and the mouthpiece itself will be shipped only. We are committed to careful and prompt delivery.