Black Rubber Water Key/Spit Valve Gaskets (Corks), Fits King and Others
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Set of 2, Non-compressing, Black Rubber Water Key/Spit Valve Gaskets. Replaces cork which wears out fast. 9.5mm x 4.2mm thick, Fits all King brand instruments and many others. Adhesive back for easy installation or use hot glue to attach.