1Safe Design: This clamp lockout device provides a simple method to prevent the discharge of chemicals into the environment and protect the chemicals from contamination by dirt particles. 2Compatibility: Can be used together with a series of drum sealing tags and solid filters to help meet the requirements for offline storage of chemicals. It is designed specifically for use with plastic drums. 3Easy Operation: The oil drum lockout device allows for controlling the liquids inside standard drums, preventing spills and splashes of the drum contents. 4Pollution Reduction: By helping to eliminate any dirt, debris, moisture, or environmental hazards from entering the drum, it reduces contamination of chemical products. 5Secure Storage: Enables proper locking and labeling procedures for securely storing chemicals. Suitable for various types of containers such as gas cylinders, storage tanks, and oil drums.