Reticle 27mm Thickness Gauge .002 Inch to .016 Inch This English Thickness Gage Reticle is very suitable for critical line width and spacing measurements. It has 15 line widths from .002” to .016”. Increments are .001”. All line widths have a tolerance of ±.0001” (.0025mm). It is also ideal for measuring dot gain on printed sheet stock, inclusions and scratches on film and other types of sheet stock.The pattern is right reading looking through the glass so that the pattern can be in direct contact with the object to be measured. The Reticle Pattern is very durable, double layer, deposited evaporative Chrome/Chrome Oxide, for a reflectivity of less than 5% looking at the pattern.The Patterns on all Reticles manufactured by Max Levy are replicated from Precision Chrome on Glass Tooling under clean room conditions. Click here to download drawing 27mm Compatibility Chart Full Compatibility Chart