The Hornady® Neck Wall Thickness Gauge - 041223 - Offers reloaders an excellent accessory to go with the Hornady® Concentricity Tool and provides another step up in ultra-precision reloading.
This gauge allows for measurements in increments as small as 0.0005 to help identify any variations in neck thickness. This allows reloaders to sort and measure the case necks of their brass or verify your neck turning process. The end result delivers enhanced accuracy.
Note: Concentricity Tool is sold separately.