Diablo, 7 Pack, 5'', General Purpose, Project Pack Disc, Includes: (3) 60 Grit, (2) 100 Grit & (2) 150 Grit Discs, All The Grits Needed To Complete Your Refinishing Project, These Universal, 12 Hole Random Orbital Sanding Discs Feature Hook & Lock Backing & Includes Brea -Through Innovations That Improve Performance, Extend Sanding Life & Increase Productivity, Featuring Premium Ceramic Blend, Removes 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, Provides Longer Life & Extreme Durability.