You can use the Unitec Gravity Feed Hand Held Speed Blaster Sandblaster for your small-to-medium size sandblasting projects. It's lightweight, fast, features a distinctive gravity feed design, and is easy to use. This sandblaster has a suggested air pressure of 100 PSI and an average of 12 CFM. With this handheld sandblaster, you can use a range of blast media. It's compact and self-contained, which makes it easy to store in a toolbox drawer.