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 ...

My first sanding tip: Start with a suitably coarse grit of sandpaper. Most wood purchased at a lumber yard or big box store is surfaced lumber (as opposed to rough cut lumber, right off the ...

Sandpaper coarseness is determined by the size of grit on the paper—ranging from extra-coarse to extra-fine. Using sandpaper that's too coarse could damage the material you're working with.