Designed exclusively for lockout/tagout applications. Padlock body constructed of durable aluminum for supreme corrosion resistance. Shackle constructed of plated boron alloy. Features a keyed-different, keyed-alike or master keyed 6-pin tumbler cylinder for high security. Key retaining ensures the padlock is not accidentally left unlocked. Includes (1) key to comply with the “one employee, one lock, one key” industry guideline. Lifeguard™ Key Charting Service included, eliminating unwanted field duplicates. Available in red, yellow, purple, blue, orange, brown, black, green and clear.