Free yourself of the need to use the bolt style UN Open Head Drums. We now offer UN Certified Drums, including Salvage Drums, that close simply with a Leverlock Ring. Merely slip it over the cover and snap it shut! No torque, no bolt, no nut, and no tools.Perfect for fast in-field closure. The drums meet the US-DOT AND UN Performance Oriented Packaging Standards. Available from 3 to 96 US gallon capacities, there are no minimum quantities.