The kit includes 5 gauges, 5 test hoses, 13 couplings, and 14 tee connectors, all housed in a durable carrying case for convenient storage and transportation. Hydraulic Pressure Test Kit. [Durable Design] - The gauges feature a sturdy 304 stainless steel shell and copper screw joint, with high purity glycerin to reduce vibration and pulsation.
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