1/8" NPT Mini High Pressure Gauge, 0-160 PSI, For Reliable Service With Compressors, Regulators, Airlines, Pneumatic Tools & Equipment, Resistant To Heat, Corrosion, Water, Salt Water & Oil, Can Be Used In Steam Applications If Less Than 120 Degrees Fahrenheit, Brass Mechanism, ABS Case, Polycarbonate Lens, 1-1/2" Face Diameter.