Hornady Cartridge Headspace Gauge Bushing Blank

The Hornady Lock-N-Load Headspace Gauge is perfect for measuring from the case-head to the datum line on the case shoulder to allow proper brass resizing for a precise fit with the rifle chamber. Bushing fit the comparator body and attach to calipers with a thumb screw. Can be used with bottleneck cases from 17 caliber through large belted magnums. Fits: This is a bushing blank with .188" Diameter hole, user must drill and ream the blank for their desired sizeNotes: This is for the bushing only,