Made of aluminum oxide particles and high-strength resin, durable and anti-static, ideal for grinding and polishing All grit grades: Includes 6 different grit grades of sandpaper: 40 60 80 120 180 240 , 10 sheets of each grit size, 60 sheets in total, the grit grade is printed on the back of the sandpaper for easy identification Easy to use: Cut with serrated parts, the multi-sand piece can be easily divided into two halves, and adopts a hook and loop design for easy and fast sticking SIZE: 14 x 9 cm, has 4 holes and comes with extra 2 replacement tips, fits 140mm Black and Decker detail palm sander and all other 140mm detail sanders Scope of application: Widely used for grinding and polishing metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.