These diamond impregnated pads make polishing concrete easy. Satellite pads can be used dry or wet to polish concrete floors. Customers also use these on other hard surfaces such as stone and marble. They are available in 16,17,20" and 27" diameters and a range from 30-1500 grits. These pads can be mounted on the bottom of low speed floor buffers, auto scrubbers, and propane burnishers. These pads will open the surface of flat concrete and hone the surface to properly accept a densifier/hardener and continue to hone and polish to 1500 grit. Smaller grits (30-100) are ideal for quick preparation for coatings and overlays. The pad can be flipped over and used for cleaning or burnishing. Best used wet on a low speed buffer.