Clampless Sheet Metal Brake Speeds Panel Fabrication. The Roper-Whitney Magnabender is a top quality, heavy-duty (weighs nearly 300 lbs.) professional sheet metal working tool. It plugs into any 110 volt outlet and will bend 18 gauge steel up to a full 48in. long and even heavier metals in shorter widths. Eleven in.fingersin. of different widths allow in.Box Bendingin.. An adjustable back gauge allows repeat bends with production line efficiency. Call our Customer Service department 1-800-544-5118 for shipping charges. THIS ITEM MAY TAKE 10 DAYS TO 2 WEEKS FOR DELIVERY