Use proper terminology when discussing SFICs, Decipher key bittings using dial calipers and/or a key gauge, Calculate pinning combinations for master keyed cores, Combinate a SFIC to a change key, master key and control key, Eject pins from a core using proper servicing tools, Determine control key bittings by measuring top pin lengths, Produce keys using a punch key machine, Properly service and maintain SFICs. Topic Include: SFIC terminology, specifications, and operation Key and pin specifications Common keyways, Reading key bittings. Pinning calculations. Combinating cores. Key cutting, troubleshooting and servicing techniques.