Description: Portable: This Heat Sink Pressure Leakage Tester Tool Set with a case, which keeps organized, package measures 340mmx290mmx95mm/13.39inchx11.42inchx3.74inch, making it compact and easy to store.Color Caps: Different color labeled test caps help you choose the cap more efficiently, convenient, simple and easy to use.Material: Made of PP and nylon material that ensure longevity and reliability in performance.Versatile Use: This tool is versatile for testing different types of heat sink, making it easy to test leakage and quickly change coolant. Suitable for most types of vehicles.Functionality: This tool is designed to detect leaks in your car's cooling system efficiently while also allowing you to pressurize the system for optimal performance. The hand pump is made of a sturdy aluminum pump and reinforced with double rubber circles at the hose interface, ensuring wonderful air tightness and extended service life. The test pressure range is 0-35 psi, providing high accuracy every time. Size Chart: 340mmx290mmx95mm/13.39inchx11.42inchx3.74inch Package Includes: 1 Automotive Cooling System Pressure Tester and Coolant Refill Set(28pcs) Note: Please allow slightly errors 1-2cm differences due to manual measurement.