1-3/16" durable metal luggage lock, 3 digit resettable combination. Certified combination padlock is recognized by Transportation Security Administration (TSA) security agents as an acceptable luggage lock. The unique TSA Travel Sentry logo indicates to the TSA screeners that they can use a secure list of bypass key overrides to open and inspect and re-lock travelers' baggage without cutting the lock and leaving the passenger vulnerable to baggage handlers and theft. Side window for easy viewing. Lifetime guarantee. Nickel finish.