Hornady Powder Cop Die 50063. This Hornady reloading tool will install on your progressive press after the powder drop station to automatically check dropped charges (a smart practice often ignored). Hornady uses a similar device on their own ammo manufacturing presses so you know it's effective. The Hornady Powder Cop Powder Measure Monitor won t replace careful attention but the reloading tool helps monitor the reloading process. The Powder Cop works with all powder types and calibers. Keep an eye on your whole reloading process with the Hornady Powder Cop Reloading Press Monitor. Specifications for Hornady Powder Cop Dies: Manufacturer: Hornady Additional Features: Powder Checker Weight: 6 oz Fabric/Material: Steel Features of Hornady Powder Cop Press Dropped Charge Monitor: Effective reloading press accessory by Hornady Installs on your progressive press after the powder drop station Automatically checks for dropped charges Helps monitor the reloading process Works with all powder types and calibers Package Contents: Hornady Powder Cop Die Hornady Powder Cop Die 50063