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)
