Can anyone help me identify this wrench please? I have been searching online and can not find another one like it. Anywhere. It is a 13/16 (6 point) box end wrench. The only markings on it are a 7 and a diamond shape with a capital R in the center of the diamond shape.Thats it. I thought it was a lug wrench, ??? Tire tool??? Any way if some one could please help it would be appreciated.Thanks. Oh I was wondering who made the wrench when they made it and its actual purpose.Thanks. Larry.