Total 70Pcs10 Pieces Of Each Grit: 40/60/100/150/240/320/600.7 Grades From Rough To Fine To Satisfy Almost All Your Polishing RequirementsDurabilityMade From Oxide Abrasive Aluminum, Durable And Anti-Static, No Holes, The Polished Contact Surface Is Larger And The Effect Is BetterGood Adhesive Velcro Backing, Easy To Stick To The Random Orbital Sander And Not Fall Off When Using. Installation In UsePerfect Size Diameter 125 Mm, Ideal For All 5 Inch Sanders, Such As Bosch Pex 220 A, Makita Dbo180Z, Bo5041 Bo5031, Tacklife Prs01A / Prs02A, Dewalt Dwe6423, Ryobi R18Ros- 0, Ros300, Pex 300 Ae, Pex 400 Ae , Vonhaus Random Orbital Sander, Black Decker Ka199-Gb And So OnWide Range Of ApplicationApply To Grinding, Polishing And Derusting Metal And Non-Metal , Wood, Rubber, Leather, Plastic, Stone, Glass And Other Materials Grinding, Polishing And So On I Away. These Sandpaper Discs Can Meet Almost All Your Requirements.-8