The Hornady Lock-N-Load Case Prep Deburr Tool is specifically designed for large caliber cartridges from .30 to .50 caliber delivering precision case preparation for optimal reloading performance.Hornady Large Caliber Deburr Tool (.30 to .50 Cal)8-32 threaded design for universal compatibilityWorks with Hornady Lock-N-Load Case Prep Trio and Case Prep CenterCompatible with Universal Accessory HandleRemoves imperfections from case neck exteriorEnhances accuracy through proper chamferingEssential for serious reloaders this deburring tool ensures consistent case preparation by removing slight imperfections from the outside of case necks contributing to improved accuracy and optimal cartridge performance during reloading sessions.