Offering an extra fast cut and tough durability, the Standard Abrasivesā¢ Quick Change Ceramic Pro 2-Ply Disc is our highest performing 2-Ply disc for edge work, deburring, blending, cleaning and finishing on all metal types. A grinding aid ensures top performance on stainless steel and high nickel alloys, and the quick change attachment enables secure use of a smaller disc at high speed.