TSA Approved Luggage Locks, Sinide 3 Digits Metal Combination Mini Travel Padlock, Heavy Duty Luggage Locks for Suitcases & Baggage - Travel Security Approved (Black) TSA Accepted Lock: Transportation Security Administration will recognize the diamond on the lock and use their special tool to open the lock for inspection. This prevents your luggage from being pried open and damaged. Go through the inspection process quickly and easily. Red Pole Open Alert: A red pole will rise above the surface of the lock to notify you that a TSA member has used his special tool to open the lock. The pole will return to its original spot when you set it to your private combination. Set-Your-Own Combination: The factory combination of the lock is 000; and you can set your own permutation easily. 3-Digit Combination: With three digits, there are 1000 combinations or permutations possible. This will greatly decrease the chance of your items being stolen. Heavy Duty Lock With a Sturdy Shackle: Zinc-infused die-cast metal shackle provides the maximum security and protection.