Autocraft steel wool pack contain 3 gradess of steel wools which is flexible to apply on different situations. #0 Fine grade steel wool pad is for smoothing and finishing, #1 Medium grade steel wool pad is for general cleaning purpose, #3 Coarse grade steel wool pad is for old paint and varnish removal. Product Features:Designed to used for a variety of purposesContains fine to coarse gradesResuable and easy to use