For sale due to equipment reorganization. Manufacturer: v.bach 2G Size: Rim inner diameter (mm): 26.75 This is a gold-plated mouthpiece. I usually play bass trombone as my main instrument, but I used this when switching to tenor bass. I think the size is small compared to commercially available mouthpieces. Recently, bass trombone mouthpieces with larger sizes have been increasing. Although this mouthpiece is small in size, I feel that it is a mouthpiece that does not compromise the sound quality of the bass trombone. It is recommended for students who will be playing bass trombone from now on, and for bass trombone players who are considering switching to tenor bass. There are minor scratches due to use. In particular, there are scratches that occur when inserting the shank. There is no problem with use, but please be aware of this if you are concerned. I try my best to ship the item on the same day of purchase, but shipping may be delayed due to work or other circumstances. Therefore, I have set a rather high price to prevent impulsive purchases. There is no case, so I will pack it with cushioning material for shipping. If you are interested in purchasing, please write your desired price in the comment section.