This key code series is for applications that have a National Lock or COMPX Lock on them using this key code. A known application is General Fireproofing and old Coke Cavalier USS-8-64 coke machine but is used on many other applications. A line drawing is shown with the generic image of the key blank. This can be compared to the face of your lock to determine a proper fit. Key will be cut to code and ready to work in the lock.