This tool pinches sheet metal between 2 rolling dies and makes a groove or "bead" in the sheet metal. A bead adds stiffness to sheet metal. It can also bend sheet metal to create different shapes or make decorative designs.
I bought extra dies to make it more versatile.
I bought extra dies to make it more versatile.
After assembly, I had to test it out. I drew a curved line on 20 gauge sheet metal and then used the bead roller to make a bead along that same line.