Quantity and practical set - package includes 200 pcs sanding disc pads, 10 grits, 20 pieces for each grit: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, 3000; 1 pc 1/4 inch shank backing pad and 1 pc soft foam buffering pad, large quantity to meet your different polishing needs Superior material - made from aluminum oxide abrasive, durable and anti-static, useful for corner cleaning and polishing, such as metal, wood, jade, and so on Soft foam buffering pad - the sanding discs kit includes 1 pc soft foam buffering pad, suitable for reducing vibration during use; please ensure that the soft foam buffering pad is securely attached to both the sanding discs and the backing pad before use Hook and loop back - the diameter of the hook and loop sanding pad back is 2 inch, compatible with most rotary tools, such as die grinders, air grinders, electric drills, etc Warm note: these sanding disc pads are designed to be used with a 2 inch backing pad, not suitable for adhesive sticker sanding pads; please clean dust and replace old sanding pads before use Specifications Color: brown Material: Alumina + Sponge Pad size: 2 inch Back type: hook and loop Shank diameter: 1/4 inch Shank length: 1.8 inch Note These sanding discs are consumables; we provide 200 pieces for easy replacement For safety, wear goggles or eye protection to prevent debris from entering eyes during operation Package includes 20 pcs 80 grit sanding discs 20 pcs 180 grit sanding discs 20 pcs 240 grit sanding discs 20 pcs 320 grit sanding discs 20 pcs 400 grit sanding discs 20 pcs 600 grit sanding discs 20 pcs 800 grit sanding discs 20 pcs 1000 grit sanding discs 20 pcs 2000 grit sanding discs 20 pcs 3000 grit sanding discs