Malco 3" Hand Seamers, with forged steel jaws, are the premier choice for bending, folding, flattening and straightening  sheet metal edges or safely gripping and moving sheet metal around the job site. The drop-forged, high-impact jaws feature depth markings graduated in 1/4 inch (6.4 mm) increments and are complimented by a powerful compound leverage design.  Easily bend flanges or completely flatten seams from 1/4 to 1-1/4 inch (6.4-31.8 mm) deep in 24 gauge (0.71 mm) galvanized or (0.61 mm) mild steel.