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Smiths single stage regulators are an excellent choice for the jeweler's shop. High quality gauges precisely hold low output levels used in jewelry repair work, without bothersome creep up of output pressure. The output connection is a 9/16" standard B fitting. This gauge is made for and recommended for jewelry work. Made in the USA. The 520 model is designed for the 40 cubic foot capacity B tank commonly used with the Handi-Heet set up. ..
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