ACE PREMIUM 9X11 180 GRIT 4PK *Sandpaper Type: Aluminum Oxide *Product Type: Sandpaper *Sheet Length: 11 in. *Sheet Width: 9 in. *Grit: 180 Grit *Grit Type: Medium *Number in Package: 4 pk *Wet or Dry: Dry *Usage: Multi-purpose *Premium flexible paper * Premium grain * Anti-clog coating *Discovery CON, NBR, SUP, EXP