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, removing rust or smooth castings.AEC-K Kit includes: one AEC Air Eraser with Hardened Stainless Steel Tip, one jar of AEX-6 Fast Cutting Compound, one 4’ Braided Air Hose with Moisture Trap, Wrench, Hanger, Disposable Respirator and Parts Sheet.