ApplicationThis air compressor pressure gauge is suitable for screw compressors and reciprocating compressors Compressor Air compressor pressure gauge Easy to read dial, reading is more convenient. The easy to install and use meter is a practical accessory for air compressors Advantage The pressure gauge has a compact structure and a small size, which is convenient for the operator to disassemble and assemble: Iron shell Diameter: approx. 42mm/1.7in Thread Diameter: Approx. 10 mm / 0.4 in Pressure range: 0 ~ 180 PSI, 0 ~ 12 bar Applicable compressor types: screw compressors, reciprocating compressors Package list: 1 x Air Compressor Gauge Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.