These were removed from brand new 2019 CAT machines with less than 10 hours. Machines were upgraded to different style switch. I do not have keys for these, they will fit almost all CAT machines and that have a four pin connector and off/run/start configuration. 467-8535 is the part number for these switches, they are direct replacement for the older #110-7887. CAT caterpillar keyswitch ignition switch off/run/start . Shipped with USPS First Class Package.