Personalize your travel lock combination using the customizable Eagle Creek WordLock TSA Lock. No more hard to remember number codes. Plus, it's Travel Sentry Certified which means TSA baggage screeners can use their secure set of codes and tools to open this lock when necessary for inspection without damaging your lock or your bag. No more arbitrary number codes to remember! Customizable set your own word! Travel Sentry Certified. 4 dial letter lock combination. 10,000 letter combination possibilities. Zinc alloy. Size: 2.5 x 1 in 7 x 3 cm. Wt. 1 oz 28 g.