Def Pitcher Hand Pump, Offers A 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 Back Up, Simple & Easy To Use, Mounts Directly To A 55 Gallon Drum On The 2 NPT Bung Adapter, With Telescoping Suction Tube.