willie's Custom Brass Willie's Trombone Mouthpiece MASSONG Series Large Tenor GP Finish (5TS)

A high-performance model that can be used for a wide range of purposes, from orchestral to solo work. Optimized for the Thyne Universal model trombone Supervisor: Michael Masson GP finish Rim diameter 25.50 (mm) Throat diameter 7.16 (mm) Approximate size of other companies Size: Bach 5GL