key or tool ?

[mojjax]

Quite fancy - not sure ?

 

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[Dfxcobb]

reminds me of a key to cut off water valve

 

[nhbenz]

This seller thinks winding key: https://picclick.com/Large-Heavy-Antique-Cast-Iron-Metal-Fisher-Square-112569701554.html
But that’s not really conclusive

 

[invent4hir]

The fancy appearance reminds me of a gas shut-off key. Where did you find it? How big is the opening?

 

[Tony in SC]

Gas key,(house).

 

[Plug N Play]

Fireplace Key




Similar keys also listed as Furnace Keys

 

[A2coins]

And there it is great ID

 

[Dfxcobb]

cool. great ID..

 

[mojjax]

The fancy appearance reminds me of a gas shut-off key. Where did you find it? How big is the opening?

It's 1/2'' x 1/2'' . I found it in an old box of tools I got at the dump .

 

[Joe-Dirt]

I like the gas key ID, cool piece!!

 

[vhs07]

It's 1/2'' x 1/2'' . I found it in an old box of tools I got at the dump .

½" x ½" would be too large for a fireplace valve

 

[Tpmetal]

problem is that this style was used from everything from gas valves, fireplaces, piano tensioning, clock winding, and so on. hard to pin down exactly what from

 

[ANTIQUARIAN]

It's very decorative, so it was definitely something that was meant to be seen.
I'm thinking it's either a radiator tap key or a barrel tap key.

Dave