Hi G.Paul,

You can see 2 of my post here at HomemadeTools.net
a. Ring Roller Bender with Hydraulic Assist (DIY)
http://www.homemadetools.net/forum/r...sist-diy-37027
b. DIY Metal Bender
http://www.homemadetools.net/forum/d...l-bender-37753

Hope to help.

Regards
Bill