• Padlocks designed specifically for lockout/tagout. These special padlocks are stamped with the words “Safety Lockout” to alert workers to the hazard. Permanent write-on labels eliminate the need for a separate tag. • Over 100,000 key changes available to ensure no key duplication in your facility no matter how many employees you have • 1–1/2″ shackle height • Available Keyed Different or in groups of Keyed Alike.