Lyman Super Mag Neck Expanding "M-Inchdie (44 Mag./44 Special/44 Russian/445)
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 .44 Mag, .44 Special, .445 Super Mag. Standard 7/8 x 14 thread.