Excellent nuts for the price. I'm sure just about any dealer or professional thief can pick them off with a lockpick, but it does help deter roaming the streets. from the fact that I took my hard drives. I wish the key was longer. but it doesn't deserve a star deduction. but something to consider when buying (mine uses 13/16). I tried the "small diameter" acorn tips but felt they didn't quite fit so I reverted to these.