Complete type: Including 100 sanding discs of different grits: 40/60/80/100/120/180/240/320/400/800, 10 of each type. Almost all polishing requirements can be met. High quality: The sand disc is equipped with a D-grade thick paper base, made of high-quality alumina and wear-resistant sand, and the high-strength resin bonding system increases the service life. Easy to replace: Durable reverse plating makes the replacement of the sand disc easier and more convenient. Applicable work: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Very practical, you can order according to your needs Suitable for Random orbital sander: Ø 150 mm, pre-punched with 6 dust extraction holes, sturdy and durable. Professional quality random orbital sander sandpaper.Note: The data are all manual measurements, please allow an error of 1 - 3cm, due to the difference in light and display, there will be a certain color difference, whichever is