Features:* Made of abrasive alumina, durable and static resistant, ideal for polished metal, wood, jade and so on.* Velcro fastener, 5 inches diameter, suitable for use with random orbital grinders; Pre-punched with 8 holes for dust removal, easy to use.* 10 types of Grits sandpaper from rough to fine to meet almost all general polishing requirements.* The package contains 5 sheets of each grit: 80/ 180/ 240/ 320/ 400/ 800/ 1000/ 1500/ 2000/ 3000, a total of 50 pieces.* These sanding discs are suitable for matching 8 holes hook and loop sanding foot, Please clean the dust and replace the old hook and loop sanding pad before use.* These sanding discs are not suitable for adhesive sanding foot sticker. Specifications:* Abrasive: Alumina * Back Technique: Hook & Loop * Color: Reddish Brown * Diameter: 5 inch/125mm * Grit: 80/ 180/ 240/ 320/ 400/ 800/ 1000/ 1500/ 2000/ 3000* Pre-punched with 8 holes * Quantity: 50 PiecesPackage Contents:50 x Sanding DiscsNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.