Essex Silver Line 1218100 Sandpaper 12 in W 18 in L 100 Grit - Pack of 20

20 grit for removing old surface coatings and leveling uneven floors. 36 grit for intermediate sanding of floors following rough sanding. For initial sanding of moderately worn floors. 60, 100 grit for finish sanding of all floors prior to applying new coatings. For light sanding between surface coatings.