This 1/8" MNPT pressure gauge is great for reliable service with compressors, regulators, air lines and pneumatic tools and equipment. With a center back mount and ABS case, this pressure gauge is resistant to heat, corrosion, water, salt water and oil. Can also be used in steam applications under 120 degrees Fahrenheit. The 1 1/2" dial face diameter has a polycarbonate lens. Has a pressure range of 0 to 160 PSI.