The BON 82-479 Wet Film Thickness Gauge is designed for quick and accurate measurement of wet coating thickness during application. Featuring a 1–80 mil scale, this gauge helps ensure coatings are applied within manufacturer specifications to achieve proper coverage, adhesion, and durability. Constructed from durable aluminum, the gauge is lightweight yet rugged enough for repeated jobsite use. Its precision step design allows users to determine coating thickness instantly, helping prevent costly rework caused by under- or over-application. Meeting ASTM D4414 standards, this wet film gauge is ideal for professional painters, coating inspectors, marine applications, industrial finishing, and protective coatings. This 2-pack provides added convenience for multi-crew operations or backup availability. Dimensions: 3.5" long x 2.25" wide Material: Aluminum Measurement Range: 1–80 mils Standard Compliance: ASTM D4414