WerkMaster PCD (Polycrystalline Diamond) Tools are the ultimate solution for tackling tough coating removal jobs on concrete surfaces, especially when dealing with layers exceeding 1/8" in thickness. These innovative tools feature industrial-grade PCD abrasives that make light work of even the most stubborn coatings, including epoxies, urethanes, and mastics. LEFT SIDE FOR COUNTER CLOCKWISE ROTATION ONLY -Best suited for WerkMaster machines 300 lbs or less.