Automotive Paint Thickness Meter Gauge Gage for Body Shops and used Car Dealers Paint Thickness Gauge with two sensors for steel or aluminum Measurement Range: 0 - 40 mil / 0 - 1000 m (micron) Accuracy:  (0.1 mils + 3%) /  (2 m + 3%) Memory: 10 measurements Battery: 1x 1.5 Volt AAA (included!)