General description This 28pcs Radiator Cooling System Pressure Tester Coolant Purge Refill Vacuum Kit is designed to test the radiator for most vehicles, allowing for easy detection of leaks in the radiator system and quick coolant changes. It features two pressure gauges for accurate leakage testing and results, along with various color-coded radiator test caps for convenient selection. Technical specifications Test Range: 0 - 35 psi Includes: Pressure Testing Pump with Hose, Relief Valve, Temperature Gauge, Chromed Steel Radiator Adapters, Radiator Cap Test Adapters, Vacuum Purge & Refill Kit, Universal Radiator Adapter Set Include Pressure Testing Pump with Hose Relief Valve Temperature Gauge Chromed Steel Radiator Adapters Radiator Cap Test Adapters Vacuum Purge & Refill Kit Universal Radiator Adapter Other information No instruction manual included