Quantity and practial set - package include 4000pcs sanding disc pads, 10 grits, 400 pieces for each grit: 80/ 180/ 240/ 320/ 400 /600 /800 /1000 /2000 /3000; 20pc 1/4 inch backing pad and 20pc soft foam buffering pad, 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 20pc soft foam buffering pad, pecfect for reducing shake while using, please 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 tools, such as die grinders, 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 : 1/4 inch Length of : 1.8 inch Note These sanding discs are consumables so that we offer 4000 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 400 x 80 grit sanding discs 400 x 180 grit sanding discs 400 x 240 grit sanding discs 400 x 320 grit sanding discs 400 x 400 grit sanding discs 400 x 600 grit sanding discs 400 x 800 grit sanding discs 400 x 1000 grit sanding discs 400 x 2000 grit sanding discs 400 x 3000 grit sanding discs 20 x hook backed panel 20 x soft foam buffering pad 20 x 1/4-inch metal Only the above package content, other products are not included. Note: Light reflection 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.