Lee Precision has produced a case trimming tool system that is certain to quickly, and efficiently speed up your case trimming process, without sacrificing precision. The Lee Precision 45 ACP Quick Trim Die is for use with the Lee Deluxe or Value Quick Trim Case Trimmer Each die is made to hold brass cases securely while the cutter (sold separately) is turned ensuring that case mouths are cut square. Each die is threaded 7/8 in-14 to work in all reloader presses that accept standard reloading dies. Quick Trim Die Bodies are made for the most popular calibers on the market.