Yellow K 7-pin Best Construction Core Operating Key

Yellow K keyway 7-pin Best construction core operating 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).