In my area it's difficult to get 180 grit unless you get variety grit pacs. I use only 120, 150 and 180 grit with my four detail sanders. I end up with 60, 80 and 100 grit that I don't use with the detail sanders. I purchased 15 pacs (total of 150 pads) of this 180 grit. It's nice that I can get the single grit pacs that match my dust collection holes, so I don't have to buy assorted grits I don't use.