GRIND EVEN LONGER, EVEN FASTER, AND EVEN BETTER FINISHING WITH BIGGER DISC. THE NEW STRUCTURE PROVIDES BETTER BENEFITS COMPARED TO CONVENTIONAL FLAP OR GRINDING DISCS: 50% MORE ABRASION CAPACITY, SAVING A GREAT DEAL OF WORKING TIME, 2X LONGER SERVICE LIFE, EXCELLENT VALUE FOR MONEY, COOLER GRINDING, COSTS AND WORKING TIME REDUCTION.