Porter Cable Sand Paper 735501805 Porter Cable 5" Five-Hole, Hook & Loop Sanding Discs - 180 Grit (5 Pack) Features: Resin coated to resist heat and humidity for longer life Made with aluminum oxide grain Application: Wood, metal, fiberglass, plastic and painted surfaces Fits: Random orbit sanders Size: 5" Holes: 5 Backing: Hook & Loop Grit: 180 Quantity: 5