Good grit mix from 400 to 3000, 36 different grit sheets, 4 sheets or grit: 400 or 600 or 800 or 1000 or 1200 or 1500 or 2000 or 2500 or 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 get soggy 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 using the coarsest to the finest grits without skipping any steps. In this way, the sanding time per grain is fast and the result obtained is exemplary. Specifications: Size: 230 x 93mm Material: Silicon carbide Waterproof Electro coating Features: Easy to use, pleasant to use. Good mix of grit from 400 to 3000, 9 sheets of different grits, 4 sheets or grit. It allows you to use very few sheets while covering large areas, economical and efficient. Wet Sanding: xGood resistance to wet sanding. xWith this product, you easily erase small scratches on the car body. xThe grain remains permanently and the paper does not get soggy even after several minutes in water. xThe kit allows you to do pre-polishing to bring back transparent headlights or to sand motorcycle plastics before painting. xMove to sandpaper in order from smallest number to largest with water spray as you go through the abrasive. xWhich removes the yellowish film from the headlight envelope, and then polishes it with the cotton router using the drill, in 1 hour everything was perfect. xThe surface rendering of the headlights is close to new. Dry sanding: xYou could also use these sheets on wood using the coarsest to finest grits without skipping steps. xIn this way, the sanding time per grain is fast and the result obtained is exemplary. xGood paper also for the nails of classical guitarists! With the different fine grits, the smoothing of the nail lasts longer during play. Package: 36 pcs Sandpaper(4 x9: 400 or 600 or 800 or 1000 or 1200 or 1500 or 2000 or 2500 or 3000) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.