Kelly French Horn Mouthpiece Model MC Model Rim Diameter (mm) Throat Cup Depth MC 16.76 M MEDIUM * Model MC (Equivalent to Holton model) * Suggested Retail Price: ¥10,340 * Will be cleaned with dish soap and shipped. Made of polycarbonate resin, making it ideal for playing outdoors in cold weather. The rim has a slightly thick impression. I am selling it because I no longer need it. The shank is believed to be American. "Kelly Mouthpieces are designed, manufactured, tested, packaged, and warehoused in Fond du Lac, Wisconsin, USA. Founders Jim and Sherry have been working tirelessly for over 30 years, constantly evolving with the latest equipment, and sharing a life filled with music."