Mirka 23-379-320 6" No-Hole 320 Grit Adhesive Sanding Discs - 100 Pack Go to amazon.com Related posts Best sandpaper box FeatureSanding discs have a special sharp, durable aluminum oxide grain6 inch solid PSA discsFits: Porter Cable 7336 or 6 inch pad100 in a boxGrit - 320 DescriptionMirka Abrasives Gold 6" PSA Autobox Discs, 100/box, 320-grit