I started this shop press 15 years ago and never had time to finish it. I cut the 3x3 angles, punched the 1" holes and left it sit in the corner. Then one day i needed to use it to broach some keyways. So i went out and welded it all up then i went to my machine shop and turned the parts to hold the hyd jack and the bottom tooling. The jack, bed plates and bottom angles are all removeable because i am also going to use the frame with a chain fall to raise my 2 metal lathes up to put the legs under them. Then i can bolt the press parts back on. I could use a little bigger jack but it works for U Joints and my keyway broaches just fine...Bob