What Is This Strange Old Metal Key? The Forgotten Multi-Purpose Tool
At first glance, this small metal object looks like an ordinary key.
But take a closer look and you’ll notice something unusual: it has several differently shaped openings and working ends, rather than the familiar teeth of a household key.
That is the clue.
This type of object belongs to the world of utility and service keys—specialized tools designed to operate different fittings, panels, locks, and service equipment.
More Than Just a Key
A conventional key is normally made for one particular lock.
A utility key is different.
It may incorporate several shapes so that one compact tool can operate different types of hardware.
Modern multi-purpose utility keys, for example, can include square, triangular, hexagonal, and other openings for electrical cabinets, gas and water meter boxes, access panels, and service equipment.
The unusual object in the photograph appears to follow this same general principle.
Why Does It Have Different Openings?
Different pieces of utility equipment use different fasteners and locking mechanisms.
One access panel might require a square socket.
Another might use a triangle.
A different fitting may require a hexagonal shape.
Instead of carrying several separate tools, a service worker can use a multi-purpose key containing several profiles.
This is especially convenient for maintenance workers who regularly deal with equipment from different manufacturers
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