US Car Tool K Frame Installer

This looks pretty cool. Anybody use one of these? I'm thinking could make something similar for a lot less $$
http://store.uscartool.com/Mopar-K-Frame-Stand-Drivetrain-Restoration-Tool_p_84.html
http://store.uscartool.com/Mopar-K-Frame-Stand-Drivetrain-Restoration-Tool_p_84.html