Pete in Holland MI
Careful: Sometimes air tool CFM rating is at a 25% duty cycle. Continuous use, you'll need 4X the air. Read the fine print. All depends on how heavy you'll be using it.
Air tank size only allows for fewer on/off cycles of the compressor. CFM @90 psi need to be understood of your tools, else your compressor won't keep up.
Air tools are very expensive to run. Considering you are running a couple hp motor to turn a small air tool.