Vanadium wrench. 
This wrench is presumably a fairly standard chrome-vanadium steel alloy.  Why they chose to label it as a "Vanadium" wrench I don't know, but it's good enough for me to put it here. 
Source: eBay seller sammy13 
Contributor: Theodore Gray 
Acquired: 28 August, 2002 
Price: $10 
Size: 8" 
Purity: <2%
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