Suggested backup pads 3M Hookit Low Profile Disc Pad, 6 in (05756) or 3M Hookit Disc Pad, 6 in (05776) and 3M Hookit Soft Interface Disc Pad, 6 in (05771). 3M Gold Abrasives produce uniform, consistent finishes and are available in both Stikit and Hookit options for convenience and reuse.