Dual disc grinder sharpens flat, curved, wavy mower blades, mulching blades, and tools. Powerful 1/2 HP motor ensures efficient, reliable performance for wide range of blade and tool sharpening 7" aggressive 24 grit ceramic/steel wheels provide fast and effective sharpening or grinding on a variety of materials including metal and stone. Versatile second ceramic flap wheel disc sharpens any shape to any angle. Cleaner than traditional grinders. Ceramic grinding wheel reduces grinding wheel dust. U.S.A. made RBG Grinders make sharpening lawnmower blades fast, simple, and safe. The dual disc RBG 750 has a 7” flat grinding disc for traditional lawnmower blades plus a second versatile flap wheel grinding disc for sharpening curved or mulching blades. The preset 30-degree blade guides sharpen flat blades to a factory edge. The unique design grinds any length cutting edge for both standard (right-hand) and reverse (left-hand) blades. The 7” flap wheel disc sharpens mulching blades, wavy blades, or any non-standard mower blades and tools to any angle. A ½ HP continuous duty motor and industrial design motor ensure efficient and reliable performance. The ceramic/steel grinding disc reduces work time, minimizes grinding wheel dust, and eliminates wheel dressing. Cleaner than traditional grinders. An optional Grit Collector RBG960 will help maintain a cleaner and safer shop. SPECIFICATIONS – USA Made. Length: 17", Width: 11.5" (22.5" with Grit Collector), Height: 11" (13.5" with Grit Collector).