The draw bar on my "new" Pratt & Whitney 3C mill has a big nut on the end for tightening. It is big....1+11/16ths and I am looking for a wrench to use on it. What I envision is not a big old heavy wrench but one made of flat steel with a round head and the 6 point openning....something relatively light-weight. Something like the one in this pic but hopefully just one-ended, but I am having trouble finding what I am looking for. Ot looking fir a socket. Anyone have any suggestions?