willie's Custom Brass Willie's Trombone Mouthpiece Universal Ⅱ Series Large Tenor SP Finish (7)

A medium-heavy model created in response to the request of Peter Kellner. It fully utilizes the potential of the Thyne Universal II trombone. Normal is a medium cup, S is a shallow cup. Supervisor: Peter Kellner SP finish Rim diameter 25.10 (mm) Throat diameter 7.14 (mm) Approximate size of other companies Size: Buck 6-3/A