This lock seemed quite good at first, it has a good combination mechanism which allows you to change the code to whatever you want. however after it mysteriously changed it's combination, we tried to open it, and found the combination we had used prevously no longer worked, in trying to solver the combination by watching the cylinders move, we broke into it with a small jewelers screwdriver in less than a minute. I can't really call this a useful security device based on what I've seen. I don't really expect a device which is claimed to secure your laptop from theft to survive under a minute from being ...  Read the complete review