Add extra security to your bags and suitcases with a 4 digit TSA padlock. 4 digits make it harder for the combination to be guessed. The in-built TSA access allows US customs to check your baggage, leaving your lock intact. The zinc alloy body and lock are durable and resistant to low temperatures and pressure change. The 4-digit combination lock provides you with 10,000 different combination options, providing your with extra protection for your belongings - just don't use a date of birth or a year as your combination, as it becomes much easier to guess! Perfect for travel, or can be used for a locker at school, work or the gym.