Pressure Gauge Gauge Type Max Reading Water Test Dial Size 2 in Range 0 to 160 psi Connection Size 3/4 in Female Hose Thread Connection Location Top Smallest Graduation 2 psi Accuracy +/-3-2-3 Percent Case Material Steel Case Color Black Socket Material Copper Alloy HPb59-1 Tube Material Copper Alloy QSn4-0.3 Lens Material Acrylic Ring Material Chrome Plated Operating Temp Range 32 Degrees to 140 Degrees F