Used rear retainer for the ignition lock cylinder on any 1967-68 Mercury Cougar or Ford Mustang. Good value, used as they come out of the cars, will have some flash rust since they were never plated or painted, usually it will not come with the small screw. This unit locates and maintains the angle to the dash from behind. Attaches with one small screw, and the bezel and retainer nut secures the whole works to the dash from the front. 1967-68 Mercury Cougar and Ford Mustang.