Whether you're smoothing out wood to give it a fresh coat of paint or prepping metal for refinishing, sandpaper is go-to for accomplishing that task. Choosing the right sandpaper for your project ...

Grit numbers range from 24 (extra-coarse) all the way up to over 1000—though most home improvement projects use sandpaper in a much smaller range, from roughly 60- to 360-grit. It's a common ...