Check the listing for details. Lee Case Length Gauge & Shell Holder 308 Winchester 7.62x51 Nato #90139. Condition: New. Listed at 5.99 USD. Lee Case Length Gauge and Shell Holder for the 308 Winchester / 7.62x51mm Nato. Lee Case Length Gauges are a precise and easy way to quickly trim brass cases to length and square the case mouth at the same time. They are made out of hardened steel to last a lifetime. Use with a Lee Cutter and Lock Stud, Ball Cutter or Zip Trim. Brand new in the factory package, in stock and ready to ship. Most orders ship by the next business day. We are a Lee Precision Master Distributor and only list items we have in stock. All of our Lee products come direct from Lee. Returns accepted if you are not completely satisfied. Some listings may have a sample photo. We only list items that we have in stock and ship most orders by the next business day. Thanks for looking! Please check out our other items for great deals on shooting supplies and reloading equipment.