9X11 PREMIUM BULK 150 GRIT 25PK *Sandpaper Type: Aluminum Oxide *Product Type: Sandpaper *Sheet Length: 11 in. *Grit: 150 Grit *Grit Type: Medium *Usage: Multi-purpose *Number in Package: 1 pk *Sheet Width: 9 in. *Wet or Dry: Dry *Premium Flexible Paper *Premium Grain *Anti-Clog coating *For steel, iron, brass, aluminum, copper pipes and rust removal *Discovery CON, NBR, SUP, EXP