Convenient roll form means no liners to remove, increasing productivity Aluminum Oxide (A/o)mineral is durable, cuts fast, and performs well on many surfaces A-Weight light paper backing is suitable for finishing applications Open Coat construction minimizes dust on the abrasive and workpiece for increased productivity Load-resistant coating helps prevent premature loading of the disc surface to maximize cut and extend the life of the abrasive grains Designed for use with a random orbital sander.