willie's Custom Brass Willie's Trombone Mouthpiece Conrad Herwig Series for Thin Tenor SP Finish (6)

Signature model of Conrad Herwig, a leading figure in the jazz world. Tuned based on the NY Buck 12 (not 12C) from the Bronx era. Supervisor: Conrad Herwig (jazz trombone player) SP finish, rim diameter 25.40 (mm), throat diameter 5.92 (mm), similar to other companies' size: Buck 6-1/2C