Multiple grits were great for the project I was working on (Refinishing old desk)

The fine-grit is great for small, delicate things, whereas the heavy-grit is great for working with wood

All of them are nice and thin, and you can easily use scissors to trim them down and fit them onto either a handle or your hand.3M's reputation precedes them, which deducts a star, and I was also missing one of the Fine grit sandpapers-