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 ...

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.

You often need to sand in stages using sanding grit that gets smaller and smaller in size. To add even more complexity, not all sandpaper is the same. Aluminum oxide paper self sharpens as you use it.

12 Grit Variety Pack Box of 160 ProductionShopPremium 5-Hole Pattern Dust-Free Mouse Detail Sander Sandpaper Sheet Pads with a Hook & Loop Backing. The sheet assortment includes 5 each of grits 40 ...