willie's Custom Brass Willie's Trombone Mouthpiece U3 TAMAKI #221 Series Large Bore GP Finish (5M #221)

A mouthpiece with a newly designed U-shaped cup. Supervisor: Yu Tamaki (International Soloist) GP finish Rim diameter 25.50 (mm) Throat diameter 7.20 (mm) RYT rim A combination of a rounded inside edge and a slightly gentle outside edge