Inox-Prime Plus Is Manufactured With New Improved Grain Coating Process Which Allows For Even Distribution Of Abrasive Grains Which Allows For Consistent Performance And Offers Anti-Aging Performance. New Manufacturing Process Creates Denser Wheel Which Provides Excellent Cutting Speeds And Additional Cuts Per Wheel. Ideal For High Power Machines. Reliable Cutting Disc With Low Bur And Reduced Sparks.