12 DIFFERENT GRITS: There're 12 different girts sanding discs-60 80 100 150 240 400 800 1200 2000 3000 5000 10000, 15 pieces each. The package also includes 5Pcs flat polishing pads(Random color style Do not accept designation), 1pcs 1/8 inch backer plate,1 Inch hand sanding block 1 soft foam buffering Pad, 1-inch pad, USE: Made of high-quality latex paper, it's suitable for wet or dry use. Wet sanding can reduce dust splash, and minimize frosting scratches. HIGH PERFORMANCE: The sandpapers are not easy to fall apart or tear when used. The grit is distributed uniformly to the consistency of the scratch pattern on the object you polish. HOOK & LOOK DESIGN: There are high-density hook attachments on the back of the 1/8 inch backer plate and the hand-sanding block. And the back of the sanding discs is full of reserve flocking which can be and firmly attached to the hook surface. It's a breeze to install and remove different grit sanding discs. WIDE COMPATIBLE: 1/8 Inch (3mm) sanding backing pad fit for most kinds of tools, such as electric drills, die grinders, air grinders, etc. It can be used for fine polishing, such as handicrafts, woodwork, fiberglass, metal, jewelry, mirror, plastic, painted surfaces, etc. It's also a good headlight restorer kit. Color: multicolor Material: Sponge Package Contents: 1 set for sanding drums 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.