Calibrating this tool to a known dead plane will likely give you a reasonable camber setting. However, I don't have any accurate alignment tools other than a $3 spirit level, which I just don't trust due to the accuracy required to check alignment. Having said that, I can tell you that this tool was essential to the job when I was replacing the struts on my wife's car. Most replacement stanchions are lengthened to allow for camber adjustment after installation, meaning they won't perform…