The HES1150 series Flat Sander is a surface smoothing machine used to sand or smooth wood, metal, plastic and other materials. This tool works with a disk or sandpaper pad that moves linearly, forward and backward. So this tool can provide smoother sanding results compared to conventional sanders. With its ergonomic design and advanced features, the HES1150 flat sanding machine makes jobs like woodworking, metal sanding and surface preparation quick and easy.