French Horn Mouthpiece Tilz McWilliam 2 European Shank Inner Diameter: 17.5mm Bore Size: 4.2mm Cup Depth: Slightly Shallow Rim: Medium Wide Current Retail Price: ¥16,500 Used only for testing. No dents or scratches. Will be shipped in an air cushion bag via Nekopos (domestic Japanese postal service). Please understand that this is a used item, and only purchase if you are comfortable with that.