Grit number is clearly marked on the back. 40–60 Grit: For heavy sanding and stripping. Easy Grit Guide 80–150 Grit: For removing small imperfections. 240–400 Grit: For smooth, fine finishing.
Item Tag: 1 72 pounds
Belt Sander Paper PRO:Sanding belts are crafted with selected premium open coat aluminum oxide grain, feature excellent abrasion resistance, anti-static and anti-clogging. No such “A lot of fall out of the grits and fiber” occurred in normal use.