The Wilson Case Gauge Depth Micrometer system for use with the Wilson Case gauges is an easy way to accurately determine the headspace and shoulder bump when reloading your cases.
This depth Micrometer allows you to place it over the top of a case gauge with cartridge case inside and take a measurement. Graduations are in 0.001″ (one thousandths of an inch)
This one unit can be used on several different cartridge Case Gauges.
This unit is also supplied with a ground one inch (1″) case block checking gauge.
Works with all LE Wilson Case Gauges. (some 50 BMG cases if oversize may not work)
Links to the two (2) types of Wilson Case gauges https://www.brtshooterssupply.com.au/product/case-gauge-wilson/
The Brass Case Gauges are here https://www.brtshooterssupply.com.au/product/wilson-brass-case-gauges/