willie's Custom Brass Willie's Trombone Mouthpiece U3 TAMAKI Series Large Bore SP Finish (4S)

A mouthpiece with a newly designed U-shaped cup. Supervisor: Yu Tamaki (International Soloist) SP finish Rim diameter 25.90 (mm) Throat diameter 7.20 (mm) RYT rim A combination of a rounded inside edge and a slightly gentle outside edge