Pressure Gauge, Welding Regulator, 2 in, Basic Gauge Case Material Steel, Basic Gauge Wetted Parts Brass / Bronze, 1/4 in, MNPT, Gauge Connection Location Bottom, 0 to 100, psi, Gauge Secondary Range Units Bar, Gauge Secondary Range Values 0 to 7, +/-3-2-3 Percent, Gauge Panel Mountable No, Liquid Filled No, Gauge Primary Range Smallest Graduation 2, Gauge Case Material Steel, Gauge Primary Range Numbered Graduations 20, Gauge Case Color Black, Calibration Certificate Included No