3M 8″ 750U / 751U HOOKIT GREEN CORPS REGALITE “E” WEIGHT SANDPAPER DISCS – A uniquely blended mineral bonded to a tough “E” weight backing provides a fast cutting, long lasting abrasive. The 3M Hookit attachment system allows easy application to and removal from the disc pad. Used for shaping plastic filler, removing paint around damaged area, scratch refinement of bare metal and sanding marine fairing compounds. Disc is 8″ x NH. Product is sold by the disc.