willie's Custom Brass Willie's Trombone Mouthpiece Libra Series Libra AP Alto (GP)

Signature model of alto trombone master Masahiro Teramoto. It is compatible with alto trombone models from various manufacturers, including Lecce Steiner models, and has excellent tone and control. Supervisor: Masahiro Teramoto Rim diameter 24.90 (mm) Throat diameter 6.00 (mm) Approximate size of other companies Size: Buck 6-3/4C