CD5700 series Travel Sentry Approved (TSA) 3 digit 1-3/16 inch combination lock has a special identification mark alerting the TSA and other security agencies that they can open this lock without destroying it. Each lock has a special code so screeners know which tool to use to open. Set any combination of numbers, easy to set and reset with flexibility to create your own combination. Up to 1000 unique combinations. Also great for lockers, tool boxes, and gates. TSA approved padlocks are a must-have product for travelers. Locking your luggage with a TSA approved luggage lock helps to protect your possessions from theft, tampering and misuse by smugglers. Travel Sentry Approved padlocks can be opened and re-locked with a special key by the international security administration at every airport worldwide.