Finger Button Inlay (Insert), Yamaha Flugelhorn, 12.8mm Mute Cork Not for older Silver Flair

Not for older Silver Flair trumpets with the larger top action spring (not internal to the piston)

Customer verified for a 1955-1960 Super 20 Master Cornet

King K12 marching trumpet valve tune up kit

adjustable Nickel P/N ZX724900 or Silver P/N ZZ268200 thumb rests

Marching French Horn

Finger Button Inlay (Insert), Yamaha Flugelhorn, 12.8mm Mute Cork Not for older Silver FlairYamaha OEM Pearl Valve Button Inlay, Insert C0141040. Flugelhorn YFH 631 & YFH 731 & others, YHR 863. C0141040, D12. 8x2. 2mm. See my Pearl Inlay reference sheet for additional sizes. Contact me if you wish to verify your model's fit or you need other parts.