Lee Precision Case Length Gauge with Shell Holder .300 Win Mag - 90142

This Lee Precision case length gauge with shell holder is designed to measure and trim brass cases to proper length while squaring the case mouths. Made from hardened steel and precision-crafted to SAAMI specifications, it provides fast and accurate case preparation for .300 Winchester Magnum reloading. The 2-piece set includes both the gauge and shell holder for complete case length management.