Paint Thickness Meter Gauge Crash-test Check(3 Years Warranty) 1.The scale in the microns (the tester is the meter!!!) 2.Color scale ( - one does not have to look for a car with an original lacquer 3.It has a globular magnetic tip 4.Hermetic plug (the tester does not get dirty and catch iron filings) 5.The measuring precision is from 20 to 25 microns