The Frankford Arsenal Aluminum Powder Funnel Kit helps you easily fill cases .17 caliber and up with precision by virtually eliminating incidences of spilled powder and static cling. Each nozzle is laser engraved by caliber for easy identification and features an O-ring for a tight seal. A sleek black non-stick surface keeps your powder static-free and eliminates occurrences of spilled powder for a safe, clean workbench and consistent loads.