Description: 【Versatile Fit】: This Radiator Pressure Tester Leak Detector Tool comes with a conical head claw that can be adjusted according to the thread of the freezeproof bottle (choose an external claw for internal threads). Simply rotate the blue knob to adjust the height of the knob, ensuring a secure fit for your conical head. 【Accurate Testing】: Connect your air cylinder to the securely fitted conical head and begin pressure testing. Inflate to the pressure specified by your vehicle's manufacturer (or 1.5 bar if no specific value is given). The gauge will display any changes in pressure - if it drops, this indicates a leak in your cooling system which can then be located and repaired promptly. 【Material】: Made from metal material, this Pressure Leak Tester Tool Kit is designed for longevity and reliable performance. 【Compact Size】: With storage box dimensions of 40cmx32cmx9cm, this tool is compact enough for easy storage yet sturdy enough for professional use. 【Package Includes】: Your purchase includes 1 Radiator Pump Pressure Tester Kit, providing you with everything you need to maintain an efficient cooling system. Specification: Material: Metal Color: Multicolor Size Chart: Storage Box: 40cmx32cmx9cm/15.75inchx12.60inchx3.54inch Package Includes: 1 Pressure Leak Tester Tool Kit