Lyman Neck Expanding "M-Inchdie (380 Auto/38 Super Auto/9Mm Luger/9X23 Win)
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 .380 Auto, .38 Super Auto, and 9mm Luger. Standard 7/8 x 14 thread.