willie's Custom Brass Willie's Trombone Mouthpiece MAXIM Series for Small Bore Tenor GP Finish (11)

A jazz model created in response to Michael Masson's request. Fits European jazz trombones, including the Thyne Maxim. Supervisor: Michael Masson GP finish, rim diameter 24.70 (mm), throat diameter 6.12 (mm), similar to other companies' sizes: back 11C