Gator Grit 3 Pack 9" x 11" 180 Grit Sanding Sheet. The 180-grit sandpaper is ideal for light surface preparation and smoothing of raw wood, drywall, fiberglass and metal. Use these sheets for feathering imperfections. These sheets are step 2 of the color-coded step system and used for sanding. The sheets are durable and flexible allowing you to hand sand with ease and will resist cracking and grit loss when being folded.