Brand Name: Ace *Length: 10-1/2 in. *Width: 4-1/2 in. *Grit: 150 Grit *Grit Type: Very Fine *Material: Silicon Carbide *Product Type: Drywall Sanding Sheet *Number in Package: 6 pk *Wet or Dry: Dry *Recommended Surface: Joint Compounds - Spackling - Drywall - Paint