STABILOC LLC has invented a mechanical locking system for securing manhole covers and storm sewer grates. The STABILOC Model 911 is a flexible solution to secure subterranean access points for security, environmental, and service related requirements.

The STABILOC system is the only manhole cover containment device which employs an integrated RFID capability that tracks, reports, and inventories the contents of any manhole cover. The entire STABILOC system is made in the U.S.A.

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stabiloc - the ultimate security solution for manhole cover containment. unparalleled performance, reliability, craftsmanship, and value makes stabiloc the global leader in manhole cover security.