Make bullet runout a thing of the past with the new Hornady Ammunition Concentricity Tool. Features: * First tool on the market to both identify and eliminate bullet runout * Just place ammunition in the tool, roll it, identify runout, and use the dial indicator to adjust runout to zero * It can be used to true-up factory ammunition, too What"s In The Box: * Hornady 050076 LNL Ammo Concentricity Gauge