1.Improved Quality: Our grinding pads are made of highquality aluminum oxide abrasive. The aluminum oxide particles cut quickly and ensure a smooth surface for your projects. The open coating creates an even and consistent scratch pattern, and the special stearate coating ensures a better surface finish. 2.Sanding paper set with multiple grits: The sanding paper set for orbital sanders provides you with the necessary sanding discs with multiple grits and 8 holes. The higher the number, the finer the grit. 3.Nonslip base: The hookandloop disc of the electric sander features a highstrength fabric and a sturdy backing to deliver optimal performance and ensure your . 4.Versatile use: The 5inch sanding disc with 8 holes is suitable for a variety of metal and wood products. The sanding pads for random orbital sanders have 7 different grits, from coarse to fine, 40/60/80/120/180/240/320, to meet your different requirements for grinding, polishing, and finishing. 5.Sanding paper set with multigrit: The sanding paper set for hand sanders provides you with the 8hole sanding discs with multigrit that you need. The higher the number, the finer the grit. Improved Quality: Our grinding pads are made of highquality aluminum oxide abrasives, which cut quickly and ensure a smooth surface for your projects. The open coating creates an even and consistent scratch pattern.