The Pelican 1506TSA Lock is a 3 digit combination lock that is TSA approved. This allows the checked luggage to remain protected, because the TSA baggage screeners have special codes and tools which will unlock it. They relock the bag after inspection. While designed for Pelican cases, this lock obviously will work with many other cases. It has a stainless steel hasp that does not corrode.\n\n- Special TSA accepted lock\n- TSA personnel can safely lock and unlock\n- You can choose from thousands of combinations