SANDWOX PS-63 Random-orbital Sander Backup Pad features a softer foam construction designed for fine sanding and finishing applications. Its flexible design provides better surface conformity, making it ideal for use with 3mm stroke random-orbital sanders and fine-grit abrasives. The multi-hole pattern improves dust extraction efficiency, helping reduce abrasive loading and maintain consistent sanding performance. Perfect for delicate surface preparation, paint finishing, and applications requiring enhanced control and a smoother finish.