Weiler 51531 General Purpose Non-Woven Abrasive Disc, 2 in Dia, Medium Grade, Aluminum Oxide Abrasive, Plastic Button Attachment. Has open construction, scrim reinforcement and a superior resin system. These features minimize loading, heat build-up, fraying of disc edges, grain shedding and extend disc life, providing superior performance. Perfect to be used with Weiler 51551. As an industry leader and global manufacturer of surface conditioning solutions, Weiler Abrasives is eager to create a collaborative partnership to overcome your toughest cleaning, grinding, cutting, de-burring and finishing challenges.