【Excellent Condition】Trombone Mouthpiece for Large Bore - willie's MUSE RINA ■Size Rim Diameter: 25.5mm / Throat Diameter: 6.8mm (Equivalent to Bach Trombone Mouthpiece 5G) ■Supervised by: Rina Endo (Muse Trombone Quartet) My personal impression is that the airflow is good, and it's easy to make the instrument sound. ■Condition Purchased in November of last year, used only a few times for personal practice. I loved it very much, but I've decided to let it go because I will be focusing on bass trombone playing from now on. ※Please refrain from bidding if you are nervous, particular about details, or have a poor evaluation history. No claims and no returns accepted. ※Please contact me within 48 hours after winning the bid.