Yamaha marching euphonium and Baritones YBH-301 & others. 3 or 4 G2141093 guides. Specifically Marching euphonium, not your standard YEP euphonium, those are larger. Contact me if you wish to verify your model's fit or you need parts for another horn.
Approximately 18mm x 13mm with metal insert.
Fits:
YBH-100S
YBH-201
YBH-301
YBH-301(2)
YBH-301M
YBH-301MS
YBH-301S
YBH-301S(2)
YBH-621
YBH-621(2)
YBH-621S
YBH-621S(2)
YBH-831
YBH-831S
YEP-202M
YEP-202MS
Yamaha OEM YBH-621, 4 Valve, Baritone Valve Guide Set of 4.
Fits:
YBH-621
YBH-621(2)
YBH-621S
YBH-621S(2)
