Measures the thickness of Non-magnetic coating on magnetic base.The magnetic base may be of materials like, Iron, Nickel, Cobalt, Magnetic Stainless Steel etc. Portable so it can be carried in the pocket like a pen. Useful device for the general rough measurement of coating thickness on ferrous material. Coat gauge is a coating thickness gauging device which so portable that it can be carried in the pocket like a pen. This is very useful device for the general rough measurement of Coating thickness on ferrous material on shop floors. Not recommended for precise measurement of thicknesses. Measuring Range : 0-600 Microns Packed in a ABS/ Wooden Box