The Lee Universal Decapping die is made of steel and designed to allow shooters to decap cases without the need of lube or cleaning. Guaranteed by Lee as unbreakable. Easily removes crimped-in primers. Fits cases up to .550”, not recommended for use on .17-.20 calibers.
1911, Issue:11, Page:069
Big Book Catalog, Issue:68, Page:533
Sinclair, Issue:5A, Page:069