I have an H&M #1- 4,6,8" 110 ac input and a #2- 8,10,12" ac input both are 360* solid ring gear they are not saddle type have to slide on from the end of the pipe so they would work great for shops fabbing lots of short spools, both have forward and reverse and variable speed both directions . I only have 1 set of pins but they fit both machines, also 1 torch mount it also interchanges between the two . new set of pins from H&M $65  can also be converted to hand crank with factory parts can also get diff. pin will let the #1 do 3" . Dont know how to post pics if interested and know how to post pics let me know and i'll give it a try. $1200 for the pair or posiible trades located NW Oklahoma     Todd (580)548-6794                  BOTH SOLD THANKS