Low Lead Test Gauge 3/4 Brass Female Hose Thread Swivel - Brady gauges are completely enclosed in a corrosion-resistant polypropylene housing which resists rust and electrolytic action. Each gauge features an easy-to-read dial and 1/4 FPT Female Pipe Thread fitting. 2 0 to 100 psi pounds per square inch. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. - Connection Size: 3/4 Maximum Static Pressure: 100 psi Low Lead: Yes