Brass key ID

[jnkhntr]

I've been calling this a clock winding key. Does anyone have a definative idea of what it is? Thanks

 

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[High Plains Digger]

Clock winding key.

 

[kenley]

Looks like the gas valve key for a floor furnace.

 

[bradyboy]

need to know the size of this key
maybe gas, maybe clock
can we see the the hole, size and shape
Brady

 

[bradyboy]

Yes - I confirmed its a brass gas valve key
You can find it on the net
Brady

 

[IronSpike]

Good ID on valve key Green check

http://www.etsy.com/listing/82024681/antique-valve-key-set