3M Painter's Disc Pad with Hookit 05778 is ideal for auto body painting applications. The durable, 6-inch diameter soft-density foam body has a 15 degree taper perfect for flat surfaces, so you can hit every detail. The disc pad also features 5/16-24 external threads, which are compatible with orbital or random orbital sanders. The Hookit attachment makes disc change-outs fast and helps maximize disc life by allowing for easy reuse of pads and discs. Start and finish your auto body paint job right with 3M Painter's Disc Pad with Hookit 05778.