3M™ Hookit™ Dust Free Gold Disc 236U features six holes for dust free sanding. It is intended for featheredging and or the final sanding step before priming. The gold abrasives are precision coated with high quality minerals and resins to help deliver long-lasting discs that cut through a variety of surfaces, including paint, primer, fibreglass, metal and SMC. 3M™ Gold Abrasives help produce uniform, consistent finishes and are available in both 3M™ Stikit™ Attachment and 3M™ Hookit™ Attachment options for convenience and reuse. Use with suggested 3M™ Backup Pad 05856.