Diameter: 5 Inches/12.5 Cm.Color: Reddish Brown.Number Of Holes: 8 Holes. 72 Pieces With: Each With 12 Pieces: 40 Grit, Each With 10 Pieces: 60/80/120/180/240/320 GritThe Combination Of 7 Different Grades Of Sandpaper, From Coarse To Fine, Can Almost Meet All General Polishing Requirements. Good Adhesion: The Back Of The Velcro Is Easy To Stick To The Random Orbital Sander, But It Will Not Fall Off During Installation.Durability: Orbital Polishing Pads Are Made Of Top Alumina Particles, Which Are Durable And Antistatic, Providing Long-Lasting Grit. Very Suitable For Various Materials Used In Wood Processing And Metal Processing.Polishing Effect: The Open Coating Can Produce Uniform Scratch Patterns, And The Special Stearic Acid Coating Can Prevent Clogging And Pilling To The Greatest Extent, Providing Better Surface Finish And Perfect Cleaning And Polishing Effects.Wide Range Of Applications: Widely Used For Grinding And Polishing Various Complex Rusty Metal And Non-Metal Materials. Including Bare Wood, Painted Surfaces And Metals, Aluminum Alloys, Rubber, Leather, Plastic Stones, Glass And Other Materials.