Large Dial Clear and Easy to Read - Diameter: approx. 42mm / 1.7inch, the pressure gauge has a sturdy case, transparent and not easy to damage, the scale printing is clear and intuitive, providing clear scale lines and high precision, which allows easy and clear reading of the measurement data. Wide Pressure Range - The Air Pressure Gauge measuring range is 0 to 180 PSI, 0 to 12 bar, thread diameter: approx. 10mm/0.4 inch Air Compressor Pressure Gauge – The air pressure gauge is suitable for screw compressors and piston compressors. The gauge is easy to install and use, and is a practical accessory for the air compressor. Stable Performance and High Reliability - Compressed air pressure gauge made of high quality materials and has a long service life. Display accurate pressure in real time, stable performance and high reliability. Customer Service – We are committed to meeting the needs of our customers to make the best products. If you have any suggestions or requests, you can contact us at any time so that we can do our best to reply to you as soon as possible.