2. Grit Size: grit 400#
3. Bond of abrasive paper: resin over resin
4. Paper base: Latex paper base
5. Belt color: Blue color
different grit ranges: Coarse grit, brown-yellow color, P120-P150 Medium grit, brown-red color, P180-P240 Fine grit, blue-green
color, P320-P400 Very fine grit, gray color, P600