Flow Security Systems container drum kit protects your steel drum contents from cross contamination, theft, or even sabotage. These new low profile, pallet stackable drum locks are fast and easy to install and NO PAD LOCKS ARE NEEDED!! You can forget about expensive, bulky, rusty padlocks. FSS Locks have corrosion proof brass locks built right into the one piece clamshell housing design. Applications/Uses: Medical, Military, Chemicals, Pesticides, Agricultural, Port Districts, Compounds, Pharmaceuticals, Hazardous Waste, Homeland Security, Drum Manufacturers, Environmental Services, Oil and Gas Companies. The drum lock kit contains two caps, one for the 2” bung and one for the 3/4” bung, two high security keys and instructions. Made of non corrosive, powder coated material these caps will last a long time. These caps don’t require an additional padlock, and are simple and easy to use.