They’re a little thick and cushioned, and have a different grit texture on each side ... using a glass or crystal file than emery, as the abrasive grains are very densely packed.

Performance: I used each model to sand down a piece of raw pine with 60-grit , 80-grit, and 120-grit sandpaper for ... the surface to get ground into the abrasive pad. That means the pad stays ...