3M 99405 Pro-Pak Aluminum Oxide Sandpaper, 9" x 11", Medium 80 Grit, 25-Count SummerEndSale Depress or slightly bend in

Depress or slightly bend in the edges of the solid metal inward

So take a step back in time and hang your laundry like Grandma--reap the benefits in spirit and lower utility bills

Square shape

crystalline

3M 99405 Pro-Pak Aluminum Oxide Sandpaper, 9" x 11", Medium 80 Grit, 25-Count SummerEndSale Depress or slightly bend in3M Pro Pak Aluminum Oxide Sandpaper for use on paint, wood and metal. Heavy duty "D" weight backing for maximum sanding durability. Can be used for general purpose sanding, garnet for bare woods, and silicon carbide for wet or dry sanding of plastics, fiberglass and top coats. Packages are tri lingual and die cut for convenience. 25 Count Size: 9" x 11" Grade: 80 Grit Size: Medium Abrasive Backing Weight: D weight Abrasive Mineral Type: Aluminum oxide