3M™ Roloc™ Disc 361F features fast-cutting aluminium oxide abrasive grains bonded to a heavyweight cloth backing with durable, heat-resistant resin. Our 361F discs can be used wet or dry.3M™ Roloc™ Disc 361F offers quick-change attachment in addition to providing durability and high performance for grinding, blending, deburring and finishing on all metals. Our 361F discs can be run wet or dry.The tough YF-weight polyester backing supports medium pressure applications and provides consistent results.These discs feature durable aluminium oxide abrasive grain that cuts fast and performs well on many surfaces. The abrasive is resin bonded to the backing – remaining robust under pressure, heat and water.