JB Industries DM4 ZW Manifold Gauge Kit, 4 Valves, 4 Hoses, Series CLIMATE, 3 in Gauge, JB GO JB GO V2 37102171 The plastic won't cause corrosion The plastic won't cause corrosion on metal parts Bushing Material 303 Stainless Steel JB GO V2 High Side Display Pressure Minimum 0 psi Temperature Units Measured Degrees F Vacuum Port Connection Thread Direction Right Hand Display Type Digital Manifold Port Connection Gender Male Calibration Certificate Type Not Certified Includes Gauge Boots Boot Not Included Hose Connection Thread Direction Right Hand Series CLIMATE Low Side Display Pressure Minimum 30 in Hg Country of Origin China Hanging Hook