Grade #3 (Coarse) and Grade #5 (Extra/Super Coarse) are among the most abrasive steel wools available. They are primarily used for heavy-duty restoration and cleaning tasks rather than fine polishing
xtra coarse steel wool (Grades #3 and #5) consists of bundled, low-carbon steel threads shaved into thick, abrasive filaments. Grade #3 is used for heavy-duty stripping, while Grade #5 is super coarse. Because of its texture and high surface area, it is primarily used for deep cleaning, paint stripping, and removing rust.
