K&M - Mitutoyo Wall Thickness Micrometer with 60° Modification Rigid The base part is specifically

The base part is specifically sewn in place with a slight inwards curve

Hornady neck sizing dies can help eliminate some of the issues often encountered with full-length cases

060” flash holes found on the BR and PPC cases (decap pin measures

This allows you to develop literally tons of pressure without the usual concern about press frame deflection or misalignment

K&M - Mitutoyo Wall Thickness Micrometer with 60° Modification Rigid The base part is specificallyMitutoyo 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.