willie's Custom Brass Willie's Trombone Mouthpiece U3 KURATA Series Large Bore SP Finish (5M)

A mouthpiece with a newly designed U-shaped cup. Supervisor: Hiroshi Kurata (Professor at Aichi Prefectural University of Fine Arts and Music) SP finish Rim diameter 25.48 (mm) Throat diameter 7.20 (mm) Approximate to other companies Size: Back 6-1/2A RHK rim A well-rounded rim that emphasizes control.