3M Pro-Pak aluminum oxide sandpaper sheets for general-purpose sanding on wood, paint, metal, and more. The open-coat design resists clogging for longer sheet life, and the synthetic mineral stays sharp and outlasts ordinary sandpaper.

• 150 grit (fine) for final sanding, smoothing, and between-coat prep
• 9" x 11" sheets -- cut to fit 1/3 or 1/4 sheet sanders
• Aluminum oxide mineral lasts longer than garnet or flint
• Open-coat design resists loading and clogging
• Will not discolor the surface you sand
• Use on wood, paint, metal, plastic, drywall, fiberglass
• 25 sheets per pack