Head for key selector switch, Harmony 9001K, metal, key switch, key active left, 30mm, key E10, 2 positions, Cam E, stay put
Head for key selector switch, Harmony XB4, 22mm 2 position stay put 3131 A
Head for key selector switch, Harmony XB4, 22mm 3 position spring return 421E
Head for key selector switch, Harmony XB4, 22mm 3 position stay put 458 A
Head for key selector switch, Harmony XB4, 22mm 3 positions stay put, key 455, chromium plated metal bezel
Head for key selector switch, Harmony XB4, black key, 22mm, 2 positions, key withdrawal in any position, key 520E