The TU-21 Cylinder Leak Down Tester is an essential tool for automotive professionals and DIY enthusiasts aiming to diagnose and address engine cylinder issues. This dual-gauge kit provides a precise measurement of combustion chamber pressure, helping to accurately detect leaks and ensure optimal engine performance. Compact and user-friendly, the TU-21 model features a robust design suited for both professional garages and home workshops. Its comprehensive leakdown test capabilities make it an invaluable addition to your diagnostic arsenal, providing reliable results to maintain your vehicle's health.