Reece's Blue Aluminum Safety Padlock provide advanced safety for controlling hazardous energy. Engraved Lock Numbers on both the padlock and keys simplify safety protocols, facilitating key tracking made easy. The High-Safety Key Cylinder, offering over 120,000 combinations, ensures unparalleled worker protection with dimple key eliminating risk of duplication. The lightweight, Corrosion-Resistant Aluminum Body, measuring 1 1/2" x 1 3/4" with a 1 1/2" steel shackle, prioritizes safety without compromise. Key Retaining Design prevents accidental key removal, adding an extra layer of protection. Choose from nine bright Anodized Colors for clear identification, with Customizable Engraving also available.