Compare your key with that shown. Cross-sections show view of the lock the key goes in. Keys are sent as blanks and can be cut to fit your car at any local key shop for a small charge or we can cut to code for you for an additional fee - call for details. Check to make sure your blank key fits into ignition before cutting. For - Early MG T-Series - Ignition lock must say MRN 1-50 on it for this key to work. Later T-Series use Union FA keys.