3M Trizact Hookit Film Disc, 568XA, grade 500 micron, 5 in x NH (127 mm x NH) The 3M Trizact Hookit Film Disc 568XA uses 3M microreplication technology and cerium oxide particles formed into tiny pyramids of abrasive mineral and then coated on a film backingAs these pyramids wear, fresh, sharp mineral is continually exposed to help produce a consistent cut and a consistent, fine finish when used either wet or dry. Product Information Brand 3M Part # 7000028188 Line Trizact Color White Diameter 5 Inch Dimensions 5xNH Mineral Cerium Oxide Origin Country USA Product Type Velcro Discs Vacuum Type Non-Vacuum Product Information3M Trizact Abrasives start sharp and stay sharp, resulting in more predictable finishes and improved, consistent resultsMicron-sized abrasive pyramids help produce a high-gloss finishProduces finer finishes than paper and film-backed abrasivesUse wet or dry to create high gloss level for glass defect repair and solid surface finishingWell suited for use on mini random orbital sanders to produce a polish-ready finishSuggested ApplicationFor glass defect repair, corian and acrylic solid surface finishing