The Forster PA1000 Power Adapter transforms any compatible hand case trimmer into a power trimmer with quality materials and affordable pricing that Forster is known for.Forster PA1000 Power Adapter for Case TrimmersCompatible with Original Classic and .50 BMG case trimmersSimple installation - replaces trimmer handleWorks with standard power drill or electric screwdriverMaintains stop collar and cutter shaft for accurate case length settingsQuality construction at affordable price pointPerfect for reloaders who want to upgrade their manual case trimming operation to power trimming while preserving the precision and accuracy of their existing Forster trimmer setup.