Mitutoyo 547-520S Digital Thickness Gauge with Flat Anvil, 120mm Throat Depth, ID-S Type, Inch/Metric, 0-0.47" (0-12mm) Range, 0.0005" (0.01mm) Resolution, +/-0.001 Accuracy Thickness gauge measures 0 to 0.47" (0 to 12mm) with 0.0005" resolution and + or - 0.001" accuracy, for measuring the thickness of sheet metal, plastic, or rubber workpieces LCD screen displays in inches and metric units Contact point and anvil have flat measuring faces and are ceramic for corrosion resistance Throat of 120mm for measuring the thickness of items where a larger depth is required Grip handle, thumb trigger, and spring-loaded spindle for taking accurate measurements