3M™ Hookit™ Gold Disc 216U is intended for rough featheredging and as a final 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.