Hand Operated Drum Pump Max Outlet Pressure 8 psi Spout Connection Size 55/64 in Self-Priming Yes Metered No Includes Discharge Hose No Piston Material Polypropylene Features Adjustable 8 10 or 12 oz Per stroke Yellow Seal Material Polypropylene For Use With Lubricants Detergents and certain Alcohols Adapter Connection Type MNPT For Container Type Bucket Drum Pail Includes Bung Adapter Yes Includes Nozzle No Includes Spout Yes Runs Dry Yes Adapter Material Polypropylene