Lightly curved water key, Nickle Plated
Used on:
BE1020 cornet - Main Tuning Slide
BE1052 tenor horn - Main Tuning Slide
BE1057 baritone - Main Tuning Slide
BE1062 euphonium - Main Tuning Slide
BE1065 euphonium - Main Tuning Slide
BE1077 tuba - Main Tuning Slide
BE1087 tuba - Main Tuning Slide and 3rd valve slide