The Hemming Tool allows you to make quick, easy, uniform bends along the edge of a flat pan, standing seam metal roof panel. Its reinforced steel plates create the ideal fit for folded bends and can be set to 3/4", 1", 1 1/4", or 1 1/2" depths thanks to adjustable bolts and pre-marked holes. The ergonomic handle offers comfortable leverage for easy use and is also removable for easy packing. The Hemming Tool also has convenient pre­marked measurement lines that allow you to cut the plates to fit your panel from 18-inch widths down to 12-inch widths. Recommended for a Maximum of 22-gauge steel.