This set of includes 10 counter clockwise replacement blades featuring 25 diamond grit bonded to metallic backing and assembled to flexible steel spring blades. These replacement blades are designed for use with the patent pending Diamabrush By Malish Coating/Mastic Removal Tools, which feature replaceable blades. This blade replacement kit for 16 and 19-inch Coating Removal Tools enables users to easily change used or worn blades, minimizing downtime. Simply loosen two screws and replace.