Diablo, 7 Pack, 5'', Refinishing Project Pack Disc, Includes: (3) 80-Grit, (2) 150-Grit & (2) 220-Grit Discs, All Grits Needed To Complete Your Refinishing Project, These Universal, 12 Hole Random Orbital Sanding Discs Feature Hook & Lock Backing & Includes Break Through Innovations That Improve Performance, Extend Sanding Life & Increase Productivity, Featuring Premium Ceramic Blend, Remove Material Faster Than Other Sanding Discs & Offer An Extra Long Sanding Life, Clog Shield, Blend Of Grinding Agents, Reduces Loading & Maximizing Productivity, Superior Grit-To-Backing Bond, Endura Bond, Longer Life & Extreme Durability.