and practical set - package includes 200pcs sanding disc pads, 10 grits, 20 pieces for each grit: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, 3000; 1pc 1/4 inch backing pad and 1pc soft foam buffering pad, to meet your different polishing needs. Superior material - made from aluminum oxide abrasive, durable and anti-static, useful for corner cleaning and polishing on metal, wood, jade, and other materials. Soft foam buffering pad - the sanding discs kit includes 1pc soft foam buffering pad, perfect for reducing vibration during use. Please ensure the soft foam buffering pad is securely attached to the sanding discs and the backing pad before use. Hook and loop back - the diameter of the hook and loop sanding pad is 2 inch, suitable for various tools such as die grinders, angle grinders, and electric drills. Warm note: these sanding disc pads are compatible with 2 inch backing pads, not suitable for adhesive sticker sanding pads. Please clean the dust and replace the old sanding pad before use. Specifications: Color: brown. Material: Alumina + Sponge. Size of pad: 2 inch. Backing type: hook and loop. Shank diameter: 1/4 inch. Shank length: 1.8 inch. Note: These sanding discs are consumables, so 200 pieces are provided for easy replacement. For safety, please wear goggles or eye protection to prevent debris from flying during operation. Package includes: 20 x 80 grit sanding discs, 20 x 180 grit sanding discs, 20 x 240 grit sanding discs, 20 x 320 grit sanding discs, 20 x 400 grit sanding discs, 20 x 600 grit sanding discs, 20 x 800 grit sanding discs, 20 x 1000 grit sanding discs, 20 x 2000 grit sanding discs, 20 x 3000 grit sanding discs, 1 x backing pad, 1 x soft foam buffering pad, 1 x 1/4-inch metal shank. Only the above package content is included; other products are not included. Note: Lighting and different displays may cause the color of the item to appear slightly different from the real thing. Measurement may vary by 1-3cm.