Frankford Arsenal Universal Precision Case Trimmer works with almost any 1/2" drill or drill press. The micro adjustable collet system works with all case body collet shouldered cases from .17 Remington to .460 Weatherby and indexes on case shoulders for precise and consistent trimming every time. Features a built in depth micrometer, brass shaving eject port and the ultra hard HSS cutter will stay sharp for thousands of rounds. Includes storage case that holds collets and collars.