The Aqara Smart Lock U300 is a reminder that not all smart locks are deadbolts. The U300 is a lever-style lock that works with a spring latch. While spring latches aren’t considered as secure as ...

If you have a metal lathe just looking for some work, why not make your own lock nuts? That’s what [my mechanics insight] did when faced with a peculiar lock nut that needed replacing in a car. We can ...