The 4.5″ Malish Removal Hand Tool removes mastics, adhesives, epoxies, urethanes, thin-sets, paints and many other gummy coatings. The diamond abrasive technology prevents caramelizing or clogging of the tools. This removal tool preps concrete floors, block walls, brick, metal and more. This 4.5″ removal hand tool also removes gummy mastics up to 10x faster than the competition. No harsh chemicals needed. Use this hand tool on standard electric hand grinders.