I could probably hit my .355's with a lightweight hammer and not set them again. All of that to mention that by having an true 9mm die you must get lots of neck rigidity. My modern order for the Lee 9mm carbide "undersize" resizing die that reduces the case diameter https://trevorbluen.aboutyoublog.com/44869319/getting-my-9mm-reloading-brass-to-work