Special identification mark alerts TSA that they can open this lock without destroying it Each of these locks has a special TSA code. Using this code, the TSA is able to open the lock for bag inspection. Each lock ships with 2 keys (4 per set). Sturdy brass construction for long-lasting durability. Approved by the Transportation Security Administration. Samsonite(R) Travel Sentry(R) Brass Key Locks, Pack Of 2 is one of many Travel Accessories available through Office Depot. Made by Samsonite.