Original equipment finger button assembly for King three valve instruments, and also some other Conn-Selmer models made with King parts. Lacquered brass. Made in USA. Sold as a single button. Order three if you plan to replace all three. Fits these models: • Bach CR301H cornet • Conn 22A cornet • Conn 34A cornet • Conn 35A cornet • Conn 134E marching french horn • Conn 136E marching baritone • King 600 trumpet • King 601 trumpet • King 601N trumpet • King 602 cornet • King 603 cornet • King 604 cornet • King 605 cornet • King 1117 trumpet • King 1121 marching mellophone • King 1122 marching french horn • King 1124 marching baritone • King 1127 marching baritone • King 2166 valve trombone • King 2020 flugelhorn • King 2220 cornet