Good grit mix from 120 to 3000, 36 different grit sheets, 3 sheets/grit: 120/220/320/400/ 600/ 800/ 1000/ 1200/ 1500/ 2000/ 2500/ 3000. Silicon carbide ; Raincoat; Electro coating. The kit allows you to do pre-polishing to bring back transparent headlights or to sand motorcycle plastics before painting. The grain remains permanently and the paper does not become soggy not even after several minutes in water. With this product you easily erase small scratches on the car body. You could also use these sheets on wood in using the coarsest to the finest grains without skipping steps. In this way, the sanding time per grit is fast and the result obtained is exemplary. Specifications: Size: 230 x 93mm Material : Silicon carbide Waterproof Electro coating Features: Easy to use , comfortable to use. Good mix of grit from 120 to 3000, 12 sheets of different grits, 3 sheets / grit. It makes it possible to use very few sheets while covering large areas, economical and efficient. Wet Sanding: Good resistance to wet sanding.< /p> With this product, you can easily erase small scratches on the body of the car. The grain remains permanently and the paper does not become soggy even after several minutes in water. The kit allows you to pre-polish to bring back transparent headlights or to sand motorcycle plastics before painting. Go to the sandpaper in order of the smallest number to the most large with water to spray as the abrasive pass. Which removes the yellowish film from the headlight casing, and then polishing with the cotton router using of the drill, in 1 hour everything was perfect. The rendering of the surface of the headlights is close to new. Dry sanding : You could also use these sheets on wood using the coarsest to finest grits without skipping steps. This way the sanding time per grit is fast and the result obtained is exemplary. Good paper also for the nails of classical guitarists! With the different fine grits, the smoothing of the nail lasts longer during the game. Package: 36 pcs Sandpaper( 3x12: 120/ 220/ 320/ 400/ 600/ 800/ 1000/ 1200/ 1500/ 2000/ 2500/ 3000)