General Equipment’s SG12/E single-head surface grinder is powered by an enclosed fan-cooled 1.5-horsepower electric motor, and features a single rotating disc with a 12-inch-wide working width. With a top-disc rotation speed of 250 rpm, applications include grinding concrete surfaces, removing mastics, adhesives, epoxies and urethanes, breaking up deposits of grease and dirt, removing rubber carpet backing and industrial residues, and polishing terrazzo and marble floor surfaces. The unit includes a folding handle that facilitates transporting in smaller vehicles and maneuvering up and down stairwells.