Sheet Metal Bending Brake made from angle iron possibly transform into a finger break
The Strong Hand Tools 90 degree MagSpring Clamp is a quick way to hold workpieces at 90 degrees. These clamps feature wide openings for unobstructed welding access. If used with a set of pipe pliers, this clamp can be used as a clamp.
Well worth using for bending angle iron or flat bending on making "flat corners" that are hard to control with out crimping. with setting a good spacing for various width could also be used from thin up to very heavy bar stock.