willie's Custom Brass Willie's Trombone Mouthpiece Walküre KN Series Large Bore Bass SP Finish (1.5)

This was made as a prototype for Nishida Miki, bass trombonist of the Tropical Jazz Orchestra. It was made into an official model because of its characteristics that make it easy for anyone to use. Supervisor: Nishida Miki (Tropical Jazz Orchestra bass trombonist) SP finish, rim diameter 27.50 (mm), throat diameter 7.10 (mm), similar to other companies' sizes: back 1-1/2G *The image shows a gold-plated version, but the actual product is silver-plated.