The Scan TSA Approved Combination Padlock is a great option for travelers heading to countries that utilize the TSA system. TSA friendly: It allows TSA officials to open and inspect your luggage without breaking the lock using a master key specific to the numbered lock. This means your belongings stay safe, and your lock stays undamaged. Durable construction: The lock features a zinc alloy body for strength and a steel shackle for cut resistance. Customizable security: Choose your own 4-digit combination from 10, 000 possible unique codes for personalized security. Here are the specifications of the Scan TSA Approved Combination Padlock: Padlock Width: 31mm Scan TSA Approved Combination Padlock Width 31mm Shackle Height: 21mm Shackle Diameter: 3.5mm Shackle Width: 11mm Scan TSA Approved Combination Padlock Shackle Width 11mm Security Rating: 2 With its compact size, durable build, and TSA approval, the Scan TSA Approved Combination Padlock is a convenient and reliable travel comp