Mosdan Diamond Burnishing Pad is easiest and fastest way to turn any trowelled industrial concrete floor into a beautiful, durable, stain-resistant, easy to clean and mirror polished shine surface. Dry use with Tornado Hurrikane and high speed machine, they remove scratches, opcity and polishing the concrete floor. It can be made sizes in 5'', 7'', 9'', 11'', 17'', 20'' and 27''