The bottom of this sandpaper stick sealed, polished when the bottom of the tape area do not use, to not fall apart Oh. -Coarse and fine distinction: the lighter the colour, the finer the sandpaper. -Grit: 240#, 320#, 400#, 600#, 800#, 1000#, 1500#, 2000#, 2500#, 3000#, 5000#.
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