The Master Lock No. 4680DNKL TSA approved resettable combination lock can handle the hardships of travel and airport handling. The TSA staff can quickly and easily open the lock to inspect luggage and then lock it again keeping your belonging safe and secure. If something does happen to your suitcase backpack or briefcase. It’s also an ideal choice for small hasps and zippers. The metal shackle offers resistance against cutting and other tampering.