This is a YAMAHA 45C2 tenor shank mouthpiece. This is a tenor shank mouthpiece for trombone and euphonium. There are noticeable scratches, so please refer to the photos and bid only after you are satisfied. It feels fine when played, but those who are concerned about the appearance should refrain from bidding. This is a long-term stored item from home, so please refrain from purchasing if you are looking for something perfect or are sensitive. Thank you for your understanding.