Produces a stream of micro-sized glass beads for removing stubborn investment particles, oxidation, and heat scale from metal. Leaves articles with smooth finish. Large viewing window with hinged door for easy clean-out. - Illuminated interior (40-watt bulb maximum). - Neoprene glove sealed to opening for holding article. - Easily controlled instant action gun. - Gun is attached to 31/2" air line hose with fittings. - Connects to compressor (sold separately), capable of producing 30-60psi pressure with at least a 5 gallon tank. - Portable - Weighs only 10lbs when filled with 5lbs of glass beads. - Includes 5lbs waterproof micro-sized glass beads.<br _mce_bogus="1">

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