No other case trimmer in this price range features a micro-adjustable cutting head! Based on the proven design of our earlier case trimmer, this new model is packed with many other valuable features Hornady customers have been asking for. GET ACCURATE, CONSISTENT CASE LENGTHS. Max trim-to length is 3.4 inches.USES STANDARD HORNADY SHELL HOLDERS & PILOTS. UNIQUE ONE FINGER CASE CAM LOCK. LARGE DIAMETER, REPLACEABLE CUTTING HEAD. New, larger cutter trims cases up to .50 caliber in diameter.UNIQUE MICROMETER ADJUSTABLE CUTTER. Change settings from longer to shorter in increments of 1/1000" without ever moving the case.TALLER FRAME AND REDESIGNED HANDLE.