On Wed, 04 Jan 2006 05:53:00 GMT, "Stephen H"
wrote:

Working on Dodge caravan the other day, couldn't get my 19mm to fit and the
20 was too large. Went to the sae set, nothing would fit.. Looked real hard
at the nut... I'll be dammed a 5-point nut.
Where the hell did that come from.

The electric company uses them here to secure the lids on in-ground
boxes. Regular 1/2" bolt with pentagon head.