Very common Conn & King valve Spring, set of 3. This valve spring fits many Conn & King (couple Bach), Cornet, Flugelhorn, Marching French Horn, Marching Mellophone, & Trumpets. Fits King's Silver Flair (internal spring) and many other King & Conn Brass Instruments. Conn-Selmer SP04032, D9mm x L37mm. Not for a Bach Stradivarius (see 15981) or 183 flugelhorn (see 16575 or 16828).
