This YELLOW JACKET 40813 Refrigerant Manifold Gauges set is a must-have for anyone in the HVAC and Refrigeration industry. The gauges are designed for a variety of purposes including charging, temperature, vacuum, test, evacuation, and pressure. The set includes a manifold, gauge, and hose, making it easy to use and install. The gauges are made by YELLOW JACKET, a trusted brand in the industry. They are compatible with a wide range of HVAC and Refrigeration systems. The vacuum units are in microns, making them highly precise. This set is perfect for professionals in the business and industrial sector who need to monitor their systems accurately. The screen has 3 small cracks that do not affect the visibility of the screen.