VINCENT BACH 1-1/4C Bach trumpet mouthpiece. According to the manufacturer's website: Cup Depth: Medium Inner Diameter: 17.00mm Features: Large cup, suitable for powerful players. The sound is cohesive and carries well. There is a small scratch on the top of the letter "H" (see photo 7). Other than that, there are scratches and polishing marks from use, but there appear to be no noticeable dents. No other accessories such as a box are included. Please consider purchasing this item as a used item, with no returns or exchanges. Thank you.