This trapezoid PCD floor coating removal tool comes in 2 half-round PCDs. The rotation direction can be customized and should fit the rotation direction of your grinder heads. Sunny Superhard Tools uses high-quality PCD on our PCD coating removal tools. The quality is guaranteed.   PCD is the abbreviation of Polycrystalline Diamond. It is diamond grit which has been fused under high temperature, high-pressure conditions in the presence of a catalytic metal. It has features of extreme hardness, wear-resistance and thermal conductivity of diamond. It is an ideal material for removing different kinds of floor coatings, such as epoxy, paint, resin, glue, and other stubborn coatings. Note: The PCD coating removal tool is directional specific and you should check the rotation direction of the grinder heads. SYF-P05