Gravity Feed Abrasive Sprayer with Carbide Insert TipThis kit comes complete with dust mask, 6 ft. braided hose and 6 oz. for fast cutting compound. 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 color, and removing rust. Requires a compressor 1 3 HP or larger that can deliver up to 70 psi. Fine detail abrasive etcher Etch glass or