... chemical equipment, boilers, COATING THICKNESS GAUGE MODEL CM-8856 COATING THICKNESS GAUGE MODEL CM-8856 COATING THICKNESS GAUGEFeatures:It meets ... probes measure the thickness of non-magnetic materials (e.g. paint, plastic, porcelain enamel, copper, zinc, aluminum , chrome etc ... non-magnetic metals. It is used on anodizing, varnish, paint, enamel, plastic coatings, powder, etc. applied to aluminum, ...