Datum Dial Ammo Measurement System - Datum Dial Ammunition Measurement System

Easy-to-use ammo 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 caliper is required.) This complete kit includes one Datum Dial tool for checking cartridge cases, Both bullet/Cartridge dials for use with 17, 204, 224, 243, 257, 264, 277, 284, 308, and 338 Caliber bullets, laminated chart showing common datum diameters, instructio