Diablo, 40 Pack, 5'', 100 Grit, Sandnet Disc, Reusable Sanding Technology Are The Most Advanced Sanding Discs With 10X Longer Life Versus Standard Sanding Discs, Features Clog Reducing Net Design Coated In Premium Aluminum Oxide Grit For Fast Material Removal While Reducing Material Build-Up, Easy To Clean & Reuse Multiple Times By Simply Shaking, Vacuuming Or Rinsing The Disc To Remove Any Build Up, Free Connection Pad For Easy Attachment To Tool, Ideal For Sanding Wood, Metal, Plastic & Solid Surfaces.