This quick, economical Hand Pump provides a clean, safe way to unload your 55 gallon drum. Producing 11 oz. per stroke is great for small shops or even as an emergency backup. Simple and easy to use, mounts directly to a 55 gallon drum on the 2NPT Bung adapter, with Telescoping Suction Tube. Product Features:Hand Action Lever11 oz per strokePolypropylen ConstructionPolyproplene Telescoping Suction Pipe2 NPT Bung Adapter