This lot includes two precision gas pressure gauges designed for controlling and regulating gas flow in various laboratory and industrial applications. One gauge is configured for Airgas, suitable for inert gases, while the other is a Roberts Oxygen regulator specifically for oxygen gas. Both units feature dual pressure dials for accurate monitoring of input and output pressures. Their robust metal construction ensures durability and reliable performance in demanding environments. These gauges are ideal for use in welding, laboratory gas delivery, and industrial gas regulation setups.