Troy Bilt Tiller Key Switch part# 1908112 is for the following models that have the electric start option; 12062, 12066, 12068, 12069, 12070, 12071, 12074, 12075, and 12080. This switch has five push on style terminals on the back. Keys are not included, but a standard Indak lawn mower key will work. There may be other models and even other types of Troy Bilt equipment that may use this switch, but your owners manual should be providing the correct part number for your machine.