In the airlines we called these suicides You just chuck it up in a drill and go to town. But be very carefull and parctice on scrap first. hence the name suicide http://www.averytools.com/prodinfo.asp?number=59010 Mine are much better than avery's but I would look around at places like the yard and boeing surplus to get a really good one.. My tools are kind of like golf clubs. Certain ones for certain jobs