willie's Custom Brass Willie's Trombone Mouthpiece BOND 007 Series BOND 007 KB for Contrabass Trombone (SP)

A new model developed for Zachry Bond and his tines. With a larger rim and cup than the BOND KB, you can enjoy a full-spec double bass sound. Supervisor: Zachry Bond (bass trombonist of the Malaysian Philharmonic Orchestra) Rim diameter 30.70 (mm) Throat diameter 7.95 (mm)