Car Paint Pen Detector

‣ Valuable for both individual buyers and business owners. ‣ Operates using a magnetic mechanism, with no need for electricity. ‣ Color-coded results: ‣ Blue: 0-100 microns (thin varnish layer). ‣ Green: 100-200 microns (original varnish). ‣ Yellow: 200-300 microns (repainted varnish). ‣ Red: 300-520 microns (metal repair + second varnish). ‣ Black: Exceeds 520 microns (surface putty and varnish).