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. Check to make sure your blank key fits into ignition before cutting. For - MG MGB and Midget 1970-1977 with original ignition lock in place (we have found that recent replacement locks use a key that we have yet to identify) Check your key is the same before purchasing. Cross referenced as: Ilco #: AA2 Curtis #:AA-2 Cole #: AU6 Dominion #: NE21 Taylor #: X51 Star #: HN1 OEM #: Nieman NM36, NM36P