Order this 3M Pro Grade Precision Faster Sanding Sheets – Assorted Grits for delivery to your job site. Fold once and the no slip durable backing grips together to prevent slipping so you can sand longer. Premium mineral and superior durability removes, smooths and finishes faster with less effort. Resists clogging for longer life. Suitable for wet sanding or dry sanding. Can be used on surfaces such as wood, metal, drywall and plastic. Great for construction, woodworking, carpentry, and home improvement projects. Use on a large sanding tool, sanding block or cut to size for hand sanding. For best results, sand with the grain of wood, working through a sequence of grits from coarse to very fine, do not skip more than 1-grit between each sanding step. Sandpaper color will not discolor the surface you are sanding. Recommended for use with 3M personal safety products. For scuffing finish. Assorted grit/80 grit (coarse)/150 grit (medium)/220 grit (fine). Package contents: 6 sanding sheets. Size: 9 in. x 11 in.