The Lee Case Length Gauge and Shell Holder set is available in a wide variety of sizes to accommodate the most popular cartridge calibers. Constructed from hardened steel, these tools are built for a lifetime of reliable performance and are precision-crafted to meet strict SAAMI specifications. The Case Length Gauge provides a quick and accurate method for trimming your brass cases while also squaring the mouths, ensuring uniformity. The included shell holder securely holds the case in place during the trimming process and when using your Lee Case Trimmer Cutter. Together, these tools deliver the highest level of accuracy in trimming and squaring brass cases, optimizing your reloading process for precision and consistency.