Hornady NECK TURN TOOLDesigned for use on a wide variety of case lengths, the Hornady® Neck Turn tool allows for the use of a drill (not included) to make neck turning faster and easier, while providing superior consistency and surface finish.An adjustment knob enables the user to choose detents for .0005" adjustment increments, or no detents for infinite adjustment.Mandrels for four popular calibers are included:22 Cal.6mm6.5mm30 Cal.The Hornady® Neck Turn tool is a winning solution for precision handloaders who want to maximize accuracy.