3M Adhesive Backed Discs 9322NA, 5 in, 8 Hole 4 pk Coarse 40 Grit. The 3M All Purpose Adhesive Backed Sanding Discs are designed for use with Random Orbital Sanders. The adhesive backed system makes them easy to apply .

All Purpose
8 Hole
Adhesive Backed
For All Coatings And Surfaces
For Use With Random Orbital Sanders
80 Grit