Comprehensive hydraulic nitrogen accumulator charging and pressure test kit.Included Components: The kit contains a main valve body, a gas hose, and seven distinct couplings for connecting to various accumulator valve sizes.Pressure Monitoring: It features three fluid-filled pressure gauges (typically rated for 1500PSI, 3600PSI, and 6000PSI) to ensure accurate readings during testing and inflation.Purpose: This tool is specialized for charging nitrogen into hydraulic accumulators and testing their pressure, a critical maintenance task for heavy machinery and industrial systems.