Green F keyway 7-pin Best construction core control key. Key will be cut on a punch machine.
Note: On rare occasions, some people change the pinning in their construction cores. These keys will only work on construction cores using the original/standard pinning. We recommend you make sure these keys will work for your application before ordering.
Keys will be stamped with letters indicating color (Example: "BLU" for dark blue keys) and a "C" indicating control keys.