Lee Pro 1000 Shell Plate - #3 For..45 Win .45 Win Mag and Similar Cases LEE. For the 45 Auto Rim and similar cases. An advantage of using this shell plate is that no tools are needed to change from one shell plate to another. The manufacturer notes that the Primer Attachment is required to change to a different caliber with a different size primer. Package Contents: Lee Pro 1000 Shell Plate Lee LEE90664: Pro 1000 Shell Plate - #3 For..45 Win .45 Win Mag and Similar Cases