SCHILKE Standard Trombone Mouthpiece rico 15A4* Same as the above

15A4* Same as the above but with a more open free blowing "c" backbore

6A4a* Developed for Bill Chase

Especially suited for strings

Slide Grease

SCHILKE Standard Trombone Mouthpiece rico 15A4* Same as the aboveIdeal for Orchestras, Marching bands and all experienced trumpet players. This Schilke Mouthpiece is designed to help students, teachers, amateurs and even professionals who are looking for the best sound and quality. Tenor Trombone, Euphonium and Bass Trombone Mouthpieces. Available in the following shank (stem) sizes Please specify when ordering. S = Small shank for Tenor Trombone, Baritone or Euphonium L = Large shank for Large Bore Tenor Trombone,