i picked up one of these today,wasnt hard to find one on ebay,,,anyone know anything about them?item number 401081503499

Don't know, but it's a pretty cool design.

E Edelmann & Co. Chicago.  June 1916 ad reprinted on pg. 28 of the June 2012 MVWC Newsletter has claim, ".. will not break. Fits spark plug, hub cap and cylinder head bolts of FORD cars."  I've seen one that broke and was braze welded.

thanks,nice to put a name and use to the tool