3M Soft Interface Disc Pad is constructed of ½ inch soft density foam with a 3M Clean Sanding hole pattern to allow dust extraction and minimize loading during sanding. This disc is 5". The soft foam construction enables the pad to conform to edges and contours, making it a good match for sensitive workpieces where gouging and marring is a top concern.3M Soft Interface Disc Pad provides extra cushion for coated and non-woven abrasive discs to prevent gouging and marringSoft density foam responds to contours and edgesDesigned with 3M Clean Sanding hole pattern to help with dust extraction and minimize loadingHookit attachment systems help expedite swapping out of discs during multi-step sequencesCalifornia Residents Prop 65 warning: Products may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.