Universal, Valve Stem & Finger Button Felt. Set of 3 - Various sizes, mostly for low brass, fits many. They are measured here by OD, ID, & thickness. 7/32" ID fits 1/4" valve stems, such as a Conn Sousaphone stem. Contact me if you wish to verify your model's fit or if you need a 4th felt.
Excellent fit, snug center hole and the outer diameter is also perfect. They are the correct thickness which is very important. Orerall very satisfied with parts I've gotten from TOPE.
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