THE MOST HEAVY-DUTY OF COATED ABRASIVE DISCS WITH RESIN OVER RESIN CONSTRUCTION ON HEAVY-DUTY VULCANIZED FIBER BACKING. DESIGNED FOR APPLICATIONS RANGING FROM HEAVY STOCK REMOVAL TO SURFACE BLENDING. USED WITH BACK-UP PADS ON PORTABLE ANGLE GRINDERS. IDEAL FOR GENERAL PURPOSE APPLICATIONS. FULL RESIN BOND FOR STRENGTH AND DURABILITY. BLENDED PROPRIETARY GRAIN TECHNOLOGY INCREASES LIFE AND CUT RATE.