K4563 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 6000 psi Gauge Secondary Range Units Bar Gauge Secondary Range Values 0 to 400 +/-3-2-3 Percent Gauge Panel Mountable No Liquid Filled No Gauge Primary Range Smallest Graduation 200 Gauge Case Material Steel Gauge Primary Range Numbered Graduations 1000 Gauge Case Color Black No