3M MICROFINISHING FILM PIN HOLE SANDING DISCS
A high strength polyester film backing is coated with premium aluminum oxide particles that are micron-graded so that each is the same size adding for great cutting efficiency. They are resin-bonded to increase durability. This fast cutting abrasive provides precise, consistent, close tolerance finishes.
Size: 7/8""dia. x 1/16"" Thick