Quantity and practial set - package include 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 shank backing pad and 1pc soft foam buffering pad, large quantity to meet your different polishing need Superior material - made from aluminium oxide abrasive, durable and anti-static, useful for corner cleaning and polishing, such as polished metal, wood, jade and so on Soft foam buffering pad - the sanding discs kit include 1pc soft foam buffering pad, pecfect for reducing shake while using, please ensure that the soft foam buffering pad have connected with the sanding discs and the backing pad tightly befor using Hook and loop back - the diameter of the hook and loop sanding pad back is 2 inch, suitable for most kinds of rotary tools, such as die grinders, air grinders, electric drills, etc Warm note: these sanding disc pads match with 2 inch backing pad, not suitable for adhesive sticker sanding pad, please clean the dust and replace the old sanding pad before use them Specifications Color: brown Material: Alumina + Sponge Size of pad: 2 inch Back technique: hook and loop Diameter of shank: 1/4 inch Length of shank: 1.8 inch Note These sanding discs are consumables so that we offer 200 pieces for easy to replace. These sanding disc pads match with 2 inch backing pad, not suitable for adhesive sticker sanding pad, please clean the dust and replace the old sanding pad before use them. For safety, please wear goggles or eyes protection tools in case the cleaning agents fly out while turning. Package include 100 * 80 grit sanding discs 100 * 180 grit sanding discs 100 * 240 grit sanding discs 100 * 320 grit sanding discs 100 * 400 grit sanding discs 100 * 600 grit sanding discs100 * 800 grit sanding discs 100 * 1000 grit sanding discs 100 * 2000 grit sanding discs 100 * 3000 grit sanding discs 5 * hook backed panel 5 * soft foam buffering pad 5 * 1/4-inch metal shank Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.