GRIND-AWAY is used to level concrete floor irregularities. Beneficial as a smoothing and finishing tool after concrete floor patchwork. It has a heavy duty circular aluminum casting equipped with three coarse silicon carbide grit blocks that effectively grind irregular concrete floors smooth. Smooth floors help promote plant and personnel safety. Easily mounts to any standard 175 RPM rotary floor machine. Made in 15" and 17" diameters. Silicon carbide grit blocks are replaceable.