Just spend a little extra on a bump-proof cylinder, in a strong "Segal"-type deadbolt lock. I've been using Medeco cylinders for many years - they're also pick-proof. Most burglars will just pass them by and look for easier pickins'.
Breukelen advocaat Reviewed by Breukelen advocaat on . Lock Bumping - Is your deadbolt safe? Think your deadbolt works? Think again.... YouTube - Lock Bumping and Bump Keys Pretty scary stuff. And now that its been broadcast on network news, obviously the knowledge is much more widespread. Just another in the long list of reasons you should have a shotgun close... Rating: 5