LINCOLN 20 SERIES PORTABLE GREASE PUMP IS USABLE IN ALL TYPES OF WEATHER THANKS TO A GASKET AND AIR VENT IN THE LID ASSEMBLY THIS DOUBLE ACTING PUMP IS DUSTPROOF LEAKPROOF AND SPILL PROOF DELIVERS GREASE ON BOTH UP AND DOWN STROKES SHOVEL TYPE PUMP TUBE ADDS MECHANICAL PRIMING TO NORMAL SUCTION WHEN NEEDED CONTAINER HAS A RUST PROOF FINISH TO HELP THEM STAND UP TO CORROSIVE ENVIRONMENTS DRUM NOT INCLUDED SOLD SEPARATELY