They're called Tri-Square or like that I think.  A discount auto parts near
me (Portland, Ore) just called it their "CV" tool and there was only one,
which worked.  Baxter's auto parts up here carries one.  One type has the
3/8 ratchet end, which is good.  The other type has just a straight shaft
you have to put into a socket.  THEY SUCK and fall off way too easily, IMO.

Warning - If using a power tool it is really easy to grind the end down.
After I discovered that I ground 3/16 off the business end and it was as
good as new.

Tom Salicos
'87 Syncro Westy

On 3/7/06, rsf <feller@carboncow.com> wrote:
>
> So I need to swap out my rear axle and it has the 12 point "allen like"
> studs in there. Nobody in the state of Ohio seems to stock 12 sockets or
> allen arms so I need some input. Napa (no), sears craftsman (no), autozone
> (no), pep boys (no)
>
> What size is the bit I need 6mm-8mm looks about right?
>
> Shawn
>