The most durable lock on the market. Using an ultra tough alloy body, we protect our locks from the strictest luggage handling. Our hardened stainless steel internal locking mechanism will not rust or freeze even after many years. Test our lock. We offer a full refund guarantee.Using inspection indicators allows you to rest assured. Once you pick up your luggage at the airport, you can check if it has been checked through our pop-up inspection indicator. If TSA opens your luggage, a button will pop up at the top of the cable lock. You will know to carefully check your luggage to ensure that you have not lost any items at the airport, rather than at the hotel or terminal.Simple combination setting mechanism. Simply press the switch lightly to easily set your own combination. After entering the factory default 001 combination, use a pen to flip the switch to the right. Enter your new combination and bounce the switch back to the left. Setting up your combination is very simple.A safety lock that is suitable for almost any type of luggage. Steel buckle locks can secure luggage, but steel shackle locks cannot. Phone case, gun case, equipment box, etc. All can be easily and safely locked through our flexible cables. The ideal length of the cable from end to end is 4 inches, and the closing length is 1.6 inches, which is very suitable for your travel safety needs.An easy to read dial. Use white numbers as a combination dial on a black background. These high contrast dials make reading your combination easy. When you try to open your lock, there is no need to squint or look for glasses anymore.