Plumbing tools are indispensable for installation, maintenance, and repair of plumbing systems. Brushes are used for cleaning pipes and fittings, ensuring a secure fit. Drain cleaning tools, such as augers and plungers, are essential for clearing clogs and maintaining flow. Flaring and swaging tools help in shaping the ends of pipes for a leak-proof connection. Pipe and tube cutters are vital for making precise cuts, while pipe threaders are used to create threads for secure pipe connections. Plumbing wrenches and valve sockets are crucial for tightening and loosening fittings. Pressure test gauges help monitor the water pressure in the system to avoid leaks or bursts. Specialty plumbing tools cover a range of specific tasks like removing broken pipes or adjusting fixtures. Lastly, water meter keys are used to access and read water meters, an essential aspect of monitoring water usage.