This pressure gauge is Necessary tool for conducting pressure tests and ensuring proper pressurization in air conditioning units, making it Suitable for on site repairs and testing designs for professional HVAC technicians, this tool is essential for those specializing in air conditioning repair and maintenance ensures accurate pressure maintenance in your air conditioning systems with our robusts Air Conditioning Pressure Gauge, capable of handling up to 60kg of Nitrogens pressure With its brass three way valves construct and operate, our pressure gauge combines with ease of use, providing long service solution for HVAC professional seek accuracy and reliability in their tool Featuring a clear with a scale ranges from 0 to 6MPA and a all brass 12.5MM nut, this gauge Precisions with a thread diameter of 14MM and internal M14 1.5 thread for stable measurements, Manufacturer: TFAOYS