Thank you for viewing. I am selling a trombone mouthpiece. - willie's Willie's U3 STEINER 4.5M - For large bore, silver plated - No box Retail price: (Body) 36,300 yen This is a trombone mouthpiece. - Cup inner diameter: 25.7mm - Throat diameter: 7.2mm - Cup depth: Medium The size is between Bach 5G and 4G. There are some scratches on the shank, but there are no noticeable scratches or dents. Personally, I think this mouthpiece is very easy to control, easy to play from high to low notes, and produces a rich and warm tone. If Bach's 5G feels too tight, please try this size. Manufacturer's description: willie's delivers the most advanced mouthpiece that anyone can recommend, with 10 years of experience! Ultimate... (Ultimate) Universal... (Versatile) Utility... (Easy to handle) It has a newly designed U-shaped cup and a rim supervised by each player. It offers high controllability, a mellow and rich sound, and a uniform resonance in all ranges. It has received high praise from many players. Type... Trombone Accessories/Parts... Mouthpiece