This is a trim die only for the Deluxe Quick Trim Case Trimmer and Value Trim Case Trimmer, both sold separately. With the addition of either of these tools, simply install the appropriate quick trim die in your press and start trimming. No calipers, measurement or adjustment required. Simply install the appropriate quick trim die in your press and start trimming. A click adjustable stop allows trim length adjustment in .001 of an inch increments. Allows the user to shorten case to a uniform shorter length than standard, reducing trimming frequency. Trim Die only.