First Choice - Premium Zirconium Oxide Sandpaper with R-lock Shank Solid Base, 36# Grit to Meet Your Different Grinding Needs. sandblasted discs provide durability and high performance for grinding all metals. Easy to Use - Just a simple turn and the disc is securely locked onto the chuck. Use with any air or electric drill, die grinder and other rotary tools for better sanding control. More Applications - It is ideal for heavy duty grinding operations on hard materials (stainless steel). Perfect for home improvement, whether woodworking, carving, crafting, building or crafting. It even works on sanding any vehicle. Pack of 50 P36 2" Zirconium Oxide Abrasive Discs. FACTORY OUTLET Factory standard mass production, quality guaranteed. Zirconia discs are the best choice for grinding or polishing metal and sanding wood. This wedge-shaped grit is tough (fracture resistant) and well suited to most substrates. 2" Quick Change Sanding Discs made with oxide abrasive grits of premium zirconium with active grinding aid that prevents loading and reduces heat build-up. Quick-change disc has unique safety torque screw, strong resistance to wear and fast sanding force. Zirconium corundum abrasive grain has high abrasion resistance and hardness and the surface is fixed with thermal and blockage resistant coating, this which can improve grinding efficiency and service life. 2" quick change sanding discs can meet the requirements of 23,000 max. RPM The quick change disc can be used for grinding weld joints and smoothing the surface. Package content: 50 pack . 50 quick change discs in zirconium oxide P36.