PaintGage FNF Coating Thickness Gauge & Professional Automotive Paint Meter (Car Gage, Thickness Meter, Paint Tester) 0-80 mils The PaintGage FNF Paint Thickness Meter & Coating Thickness Gage measures coatings on ALL metals. Measurement of Coatings on Ferrous and Non-Ferrous Metals Measures up to 80mil (2000 microns) of Coating Thickness Large Flip LCD screen. Memory for up to 10 Measurements. Selectable measurement units English (mil) / Metric (microns)