It's a reversible screwdriver speed reducer. I'd tell you where to find 
a pic of the tool sitting next to the original instruction sheet, but 
I'm sure if I did then a gang of purists would come to my house and cut 
off my fingers - or at least remove all the vowels from my keyboard.  If 
you really can't live without seeing it, then ask me again in 1 day 13 
hours.

Joe M.

On 7/12/2011 8:22 AM, James Thompson wrote:
> http://www.bobvila.com/forums/Tools/posts/42900-craftsman-model-665-256560
>
> > I have one of these in my hot little hand, but can't identify it. It appears
 to be a speed increaser/reducer, don't know which. One end has a threaded hole 
which might screw onto a small drill press arbor, and the other end has a 1/4" s
quare drive exactly like a ratchet. I am thinking torque increaser, but it is mo
re complicated than others I have seen in the past.
>
> Any help out there?
>
>

------------------------------------------------------------------------