Universal Water Key Kits for Trumpets, Trombones, and Tubas

Universal Water Keys, complete assemblies containing Waterkey, Saddle, Nipple, Spring, Screw and Cork. Lacquer finish.
A340 Cornet Mouthpipe or Trumpet Main Tuning Slide
A345 Cornet or Trumpet 3rd slide
See my item ID# 16342 for Trombones

A340 Baritone or Euphonium 
A344 Sousaphone or Tuba – Main Tuning Slide
A343 Sousaphone or Tuba – 3rd slide