Key suitable for ignition switch or door handle for Ford tractor: 2000-7000, (1965 to 1975); 8000-9700, TW10, TW20, TW30, (1968 to 1982); 2600-7700, (1975 to 1981); 2310-4610, (1981 to 2/1990); 5110-7710, (1981 to 10/1991); 7810-8210, (1982 to 10/1985); TW5-TW35, (1983 to 2/1990); 3230-4830, (3/1990 & up); 8530-8830, (3/1990 & up).