◻️HY 1.2 J Cup Inner Diameter: 28.00mm Throat Diameter: 7.25mm Backbore Comparison: 1 1/4G ◻️Walkure HY Series Signature model of Hideki Yamashita, trombone player of the Kyushu Symphony Orchestra and creator of the Walkure series. ◻️Compared to currently mainstream mouthpieces, this one is made longer. It will be inserted deeper into the instrument's receiver. Many mouthpieces currently available in Japan do not reach this important part, making it difficult to grasp the instrument's true potential. ◻️For large bore trombones ◻️Current Price: ¥50,600 I purchased this, but it didn't suit me, so I am selling it. As you can see in the photos, there are many scratches, but there are no problems with use. ⚠Returns and exchanges are not accepted. ⚠Box is not included. #Trombone #BassTrombone #WindBand #BigBand #Ensemble #Mouthpiece #TromboneMouthpiece #AnonymousDelivery