The Malco S3R 3 inch 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. Designed for all the metal trades, including HVACR installation, roofing and siding applications and commercial building and remodeling. 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. The offset design of the S3R Seamers makes it an ideal choice for overhead work. These Seamers are also equipped with Malcos Redline Handles. The handle opening of Malcos REDLINE gripped tools maximizes the powerful leverage of compound head-to-handle linkage while providing a more comfortable operating range for your hand. Ergonomic handle contours with an over-molded, non-slip handle insert assures a natural fit and feel for the way you work. Easy one-hand-operation, including an easy open and close latch motion, always leaves a free hand to steady work piece.