Internet detectives, what wheels are these, and what lug nuts to run?

These came with a car I bought. I was told they are Tenzos, but I can not find them online, does anyone know what model they are, and if they are infact Tenzo brand?

http://farm6.static.flickr.com/5090/5252757529_e2176c1acb_z.jpg

Another thing is that the holes are VERY small for the lug nuts. They are probably less than 1/4" larger than the wheel stud itself. Does anyone know if and where they sell lug nuts that would fit these. Is that a common part, because I have never had a car that had confusing lug nuts before :ham:

–mark

Spline drive lugs, or the lugs that you just attach a 1/2 drive directly to. Not sure what the direct ones are called. Both should work.

Tenzo Mean 6