Includes low-speed single and dual head and high speed diamond disc type units. Choose from electric, propane and gasoline power sources. Grind, strip floor coatings or polish. Select the machine along with a widest variety of job specific attachments and accessories for the job application.Concrete surfaces must be prepared prior to resurfacing. Surfaces are also prepared prior to various floor-coating installations in industrial, commercial, and institutional applications. The most important characteristic for resurfacing materials or floor coatings is the texture of the concrete. Concrete Grinders and Planers are necessary tools for breaking up deposits, preparing surfaces, cleaning concrete, asphalt, and tile, producing exposed aggregate slabs, and polishing delicate surfaces.