Malco Heavy-Duty Power Shear Attachment is a heavy-duty Turboshear designed to fit into the chuck of 3/8" or 1/2" drills. It efficiently cuts straight and to the left through up to 20-gauge galvanized steel, and it can also handle 18-gauge steel. This attachment is for working with ferrous and nonferrous sheet metals, metal roofing and building panels, vinyl, steel mesh, and ductwork. Its offset design ensures both hands stay safely away from the work surface, enhancing user safety. Additionally, it allows for angled crosscuts through the profiles of metal building panels and stone-coated metal shingles, making it a versatile tool for various metal cutting tasks. Model Number: TSHD