Test Pressure Gauge, Nominal Dial Size 4 1/2 in, Accuracy +/-0.25 Percent, Gauge Case Material Aluminum, Process Connection Type NPT, Process Connection Gender Male, Lens Material Glass, Process Connection Size 1/4 in, Field Fillable No, For Panel Cut-Out Size 4.875 in, Process Connection Location Bottom, Case Color Black, IP/NEMA Rating Not Rated, Primary Pressure Range 0 to 600, Dial Color White with Mirror-Band, Pressure Gauge Type Test Pressure Gauge, Bolt Circle Diameter 5.375 in