180 to 220
Grit Sandpaper: Finer
grit sandpaper is great for removing the scratches left by coarser
grits on unfinished wood and for lightly
sanding between coats of paint. 320 to 400
Grit Sandpaper: Very fine
grit sandpaper is used for light
sanding between coats of finish and to sand metal and other hard surfaces.
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