An economical disc that delivers reliable performance. It features aluminum oxide mineral abrasive on A-weight or durable D-weight paper backing depending on grade. These discs are ideal for standard jobs such as filler shaping, featheredging, paint prep and finish. Our 3M™ Stikit™ attachment makes disc change-outs fast and easy. Aluminum oxide is popular among collision repair professionals because of its fast cut-rate and long life. This mineral is suitable for a wide variety of metalworking materials including ferrous alloys.