The Hornady Case Activated Powder Drop is designed to work with the Hornady Lock-N-Load AP press as well as other progressive presses. The powder drop automatically dispenses a powder charge only when a case is present. The activator fits powder measures with standard 7/8"-14 threaded dies. Notes: Case activated powder drop automatically dispenses a powder charge when a case is present Ships with everything needed for case activated powder drops, except a powder measureWorks with Hornady Lock-N-Load Progressive Press Includes 1 Quick Change Powder DieThis does not come with a powder measure