Lyman Neck Expanding "M-Inchdie (38 Spec/357 Mag/357 Rem Max/38 SandW)
The Two Step Neck Expanding (M) Die won't stretch cases as does a standard expander button. Extends case life and improves accuracy of reloads. For use with .38 Special, .357 Mag, .357 Rem Max., .38 S&W.; Standard 7/8 x 14 thread.