Review on 🚗 Optimized Mityvac MV4560 Pressure Test Kit for Radiator/Cooling Systems: Includes Adapters for Testing Majority of U.S., Asian, European Cars, and Light Trucks by Andre Noel

All made of plastic, but looks well made. Maybe not for a busy garage, but for a shadow mechanic and occasional use it's fine. The parts fit together well and the color meter is easy to read. A good instruction manual is included. Very handy for checking the radiator caps and possible problems with the cooling system. The initial cost is less than paying a mechanic to check the system. A storage box would be nice, but molded plastic packaging can be used instead. Edit 11/21/2016: I've used this tool several times and found it to be a weakness. The vinyl hose to radiator cap adapter connection may leak if not tightened - STRONGLY. I would recommend using a soapy solution on the ports to ensure they are tight, especially if you are doing a long term pressure test. If there is a leak, you will think you have a coolant leak when you don't. I also found that I had to tighten it so tight that it was extremely difficult to undo. I downgraded the rating to reflect this design flaw. Further update 03/19/2017: I had to use a small O-ring on the radiator cap adapter where the vinyl pipe attaches. As mentioned, it tends to leak even if overtightened. Every time I use this tool I have to use soapy water to check for leaks. I had to downgrade even further.