Set of 3 Sanding Sponges - 40 Coarse, 80 Medium & 120 Fine Grits Set of 3 versatile sanding sponges with one each in grits 40 coarse, 80 medium and 120 fine. Excellent quality and great value compared to expensive brand-name sponges Dense foam is more durable than lesser quality sponges. High quality glue keeps grit on sponger and not on your project Flexible foam conforms to almost any shape for more-even sanding of corners, flat, round or odd-shaped items. Larger 3 x 5" size covers more area quicker Reusable and washable - last far longer than sandpaper with less clean up Use for wet or dry sanding on wood or metal