You can add the Hornady MicroJust Seating Stem to any New Dimension seating die. Now there's no need to buy an expensive calibrated seating die. The Hornady MicroJust micrometer-style Seating Stem is the economical way to achieve optimum bullet seating depth for benchrest accuracy and consistency. Simply replace the standard seating depth adjustment stem with the MicroJust Seating Stem. The MicroJust stem allows you to precisely set bullet seating depth in .001 of an inch increments. All-steel construction.