37-941 – 1 – white – Aluminum Oxide37-942 – 2 – aqua – Aluminum Oxide37-943 – 3 – pink – Aluminum Oxide37-944 – 9 – lt. blue – Aluminum Oxide37-945 – 15 – gray – Silicon Carbide37-946 – 30 – green – Silicon CarbideEach sheet of 3M Micro Graded Wet/Dry Polishing Paper is 8-1/2″ x 11″. Each grade is color coded for easy identification. Aluminum Oxide / Silicon Carbide 3M polishing papers with super flexible non-woven backings for polishing flat or curved softer surfaces: acrylic, polyurethane, solid surface composites, fiberglass, aluminum, precious metals and finished wood. Use with or without water. Work in sequence from coarsest to finest grade (1-30). Comprised of micron graded aluminum oxide and silicone carbide particles slurry coated onto a non-woven synthetic backing, the superior flexibility of this product allows for fast and easy finishing and polishing on flat and contoured surfaces. • Finish plastic, polyurethane, wood, and solid surface composites • Removes scratches and restores transparency to acrylic and polycarbonate windows on buses, aircraft and trains • Precision micron grading provides a uniform, consistent finish. • Faster hand-sanding and buffing time. • Reduces finishing steps. • Use wet or dry. • CD/DVD repair • Metal and alloy finishing • Finish jewelry and precious metals • Color-coded micron grading for easy selection. Cut into strips for Sanding Sticks or make bands using tape for Finger Sanders. 3M™ Wetordry™ Polishing Papers provide excellent flexibility for finishing and polishing plastics, metal and coatings.