Each pad measures
Extra Fine — Use for light cleaning of steel and non-steel surfaces, denibbing plastic, defuzzing wood, finishing, and final rubbing.
Fine — Use for removing stains, marks, rust, corrosion, and oxidation.
Medium — Use for cleaning and light deburring of intricate parts.
Coarse — Use with chemical strippers for heavy-duty stripping and cleaning to remove paint, varnish, lacquer, and other coatings.