The Titanium 3/8″ NPT Sensor Plug is a CNC machine made of our high-quality CP2 grade titanium. These plugs are designed with integrated coping devices and are available in sizes ranging from 2.5 inches to 5 inches with our tubes, making them easy to use and leaving a perfect finish every time. Our titanium 3/8″ NPT plugs are internally threaded and can be used with any standard 3/8″ NPT male sensor or plug.