3 Pack, 5, 150 Grit, Hook Loop, Random Orbital Discs, 5 8 Hole, Universal Vac Hole, Fits 5 8 Hole Vac Sanders, Patented, Ceramic Alumina Abrasive, PGraded 80320, Unique Fiber Reinforced Backing, NonPigmented, Water Based Zinc Stearate AntiColor, Open Coat, For Stripping Primers, Blending, Leveling, Finishing, Dimensioning, Sanding Of Bare Wood, Metal, Fiberglass Plastic, Primer Sealer Sanding