Sandpaper coarseness is determined by the size of grit on the paper—ranging from extra-coarse to extra-fine. Using sandpaper ... So, for example, 36-grit sandpaper has just 36 holes in one ...

Orbital sanders are built with a hook and loop pad that uses removable sanding discs ... to use. Performance: I used each model to sand down a piece of raw pine with 60-grit , 80-grit, and ...