MI1192 Milton high quality dry gages for reliable service with compressors, regulators, air lines, pneumatic tools and equipment. Features: -Coupler/plug. -Resistant to heat, corrosion, water, salt water, and oil. -Can be used in steam applications if less than 120° F. -Brass mechanism. -ABS case. -Polycarbonate lens. -Maximum working pressure: Should be limited to 75% of dial range. -Maximum working temperature: -13° F to +120° F. -Mount: Center back. -PSI range: 0-300 PSI. -Dimension face: 2". -Dimension NPT: 1/4".