Multiple Sizes & Quantity - Come with 120pcs sanding disc, with 1/4" shank holder and 1pc soft foam buffer pad; 10pcs of each grit: 60/ 80/ 100/ 180/ 240/ 400/ 600/ 800/ 1000/ 1200/ 2000/ 3000, total 120pcs High Quality Material - Made of aluminum oxide abrasive, durable and anti-static, ideal for corner cleaning and polishing, such as polished metal, wood, jade, etc. Soft Foam Buffer Pad - The sanding disc kit includes a buffer pad 1 pc soft foam pad, great for reducing tail in use Convenient to Use - 50mm diameter, suitable for most rotary tools, such as die grinders, air grinders, electric drills, etc. Warm Note - These sanding disc pads fit 50mm backing pad, not suitable for sanding pad, please clean the dust and replace the sanding pad before using them Specifications Materia: Aluminum Oxide Pad Size: 50mm / 2 inch Color: Reddish Brown Backing Technique: Hook & Loop Grit: 60/ 80/ 100/ 180/ 240/ 400/ 600/ 800/ 1000/ 1200/ 2000/ 3000 Shank Diameter: 6.35mm / 1/4 inch Shank Length: