3M™ Cubitron™ II Fiber Disc 982C uses 3M™ precision shaped grain to generate up to twice the cut rate, durability and life of other fiber discs when grinding carbon steel all with less grinding pressure required by the operator. That means less operator fatigue, faster througHPut and more parts per disc when tackling medium and high pressure grinding applications. Cubitron™ II 7000119162, Closed Coat, TN Attachment, 7 in Diameter Disc, Ceramic Abrasive, 36+ Grit, Fiber Backing, 8600 RPM Maximum, Maroon