willie's Custom Brass Willie's Trombone Mouthpiece H2 Ⅳ G M Series for Large Tenor GP Finish (545)

A medium weight model with a modified body from the H2 Ⅳ G Series. Supervisor: Hiroaki Hasegawa (Kanagawa Philharmonic Orchestra) GP finish, rim diameter 25.45 (mm), throat diameter 7.16 (mm), similar to other companies' sizes. Size: Between back 5 and 6.