Testboy 74 Coating Thickness Tester Testboy Testboy 74 P The Testboy 74 is a Coating Thickness Tester that will measure within seconds the precise measurement of all non magnetic coatings on steel or iron such as paints enamel chrome copper zinc etc P P The Testboy 74 has a clear LED display and a sturdy plastic casing It is particularly suitable for quickly checking vehicles for previous accident damage in car workshops P Testboy 74 Layer Thickness Tester
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