Looking around, it looks like they're called "Triple Square" (I need
one  of these too).  If you do a google (or froogle) search for this,
you'll come up with a bunch of stuff.

-Wes

Tom Salicos wrote:
> 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
>>
>