For wood projects, the right sandpaper grit or set of incremental grits is determined by the nature of the finishes ...

and 120-grit sandpaper for three minutes each. I used this Dura-Gold set to ensure consistency between sanders and then compared their stock removal speed and effectiveness along the way.

Grit numbers range from 24 (extra-coarse) all the way up to over 1000—though most home improvement projects use sandpaper in ...