Reticle 26mm Circle/Scale/Thickness This reticle contains useful patterns for linear, diameter and thickness checking.Pattern: Hole diameter scales: 1/64”, 1/32”, 3/64”, .005mm, .01mm, .02mm, .04mm, .05mm. 10mm scale: divided into units of .02mm. .5” scale: divided into units of .005”. Thickness Gauge: .001” to .008” in .001” increments. The pattern has an overall accuracy of 0.00004” (0.001mm).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 the drawing. 26mm Compatibility Chart Full Compatibility Chart