Question: what is the difference between the different grits of sandpaper?
Answer: What is the difference between the different grits of sandpaper? Sandpaper contains numerous sharp edges that cut away at wood or metal. ... For heavy sanding and stripping, you need coarse sandpaper measuring 40- to 60-grit; for smoothing surfaces and removing small imperfections, choose 80- to 120-grit sandpaper.