Paasche AEC Air Eraser Etching Tool. The 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 colour, and removing rust. Requires a compressor 1/3 HP or larger that can deliver up to 70 PSI. Includes: AEC air eraser only with instructions. Fine detail abrasive etcher. Etch glass, remove paint, clean fossils, etc . Tip has carbide insert for longer life. Made in the USA