The remote air eraser can be used anywhere an abrasive is required to delicately erase; such as decorative etching on glass. Can also be used by the professional technician, manufacturer, hobbyist or for dental lab work, erasing color, and removing rust. Requires a compressor 1/3 HP or larger that can deliver up to 70 PSI. Should be used with 220 grit aluminum oxide or similar sized abrasive. Includes: AECR air eraser, Quart Container, material hose, air hose and manual.