Lock appears sturdy. The three digit  combination offers good protection against tampering. The lock also has a feature which lets you know if TSA has opened the lock.
Con: The dials are very difficult to read in some lighting conditions because they are VERY shiny and the numbers  which are engraved on the dials, are just as shiny. Would have been much better to paint the mumbers for  contrast and better visibility. I deducted one star for that reason.