Grit measures sandpaper’s coarseness ... fine grades are generally reserved for rough sanding and polishing. A medium or fine grade works best for most projects around the house.

Typically, extremely coarse grit sandpaper is used for removing large amounts of paint and wood, though it can also be used for quickly rounding corners. Medium grit is more suited to general ...

Per the on-screen captions, a 320-grit piece of sandpaper should then be followed by a 400-grit piece of sandpaper. Then, with soap and water used intermittently on the headlight, there’s a ...