Forster - Datum Dial Kit Ivory Kit Mandrels and Arbors are engraved:

Mandrels and Arbors are engraved:

The current 8-80x56 assembles ED lens

Crushproof

Each pack contains a set of 2 rings

Forster - Datum Dial Kit Ivory Kit Mandrels and Arbors are engraved:Easy to use ammo measurement system gives you the data you need to refine your case sizing operations. This complete kit includes one Datum Dial tool for checking cartridge cases, Both bullet Cartridge dials for use with 17 cal, 204, 224, 243, 257, 264, 277, 284, 308, and 338 bullets, laminated chart showing common datum diameters, instructions and storage box. (A caliper is required.) Provides a relative measurement between the base of a case to a