Conn French Horn, 8D Type, Rotary Valve Bumper Stop, 11/64" Round Neoprene

Rotary valve bumper stop, neoprene.  Choose your size of Conn & King, French Horn, Trombone, Tuba rotary valve rubber stops, round bumper stock. 11/64".  Contact me if you wish to verify your model's fit or you need other parts.