Forster Datum Dial Ammunition Measurement System Body with Case Dial in Storage Box

The Forster Datum Dial Ammunition Measurement System gives you the data you need to refine your case sizing operations. Includes one Datum Dial tool for checking cartridge cases, chart showing common datum diameters, instructions and storage box. A user supplied caliper is required. A bullet dial must be purchased as well to measure the overall length to the bullet ogive. The Datum Dial provides a relative measurement between the base of a case to a datum point on its shoulder angle. It may be u