K&M - Mitutoyo Wall Thickness Micrometer with 60° Modification Rigid QC Plates (on this page)

QC Plates (on this page) are drilled for different reloading presses and/or other items like Case Trimmers etc

The "STD" tool listed in the dropdown is a replacement part

whether the reloader opts for full sizing or neck sizing only

they fold away for easy storage

K&M - Mitutoyo Wall Thickness Micrometer with 60° Modification Rigid QC Plates (on this page)Mitutoyo Wall Thickness Micrometer with 60 Degree Modification. Accurately measure case neck thickness to 0. 0001 resolution (one ten thousand). This is a vital tool when turning necks or sorting brass. Our 60 degree modification allows you to take measurements close to the shoulder.