Barrell bolts and straight bolts work by sliding the lock into a cylindrical ... mechanism is a quick and easy security solution for those with double patio doors fitted with two horizontal ...

Many of the deadbolt locks tested ... Deadbolts significantly improve security over key-in-knob locks alone. Electronic locks let you lock and unlock your door without a key.

Door Lock Ratings Protect your home and family with the best door lock or smart lock. Some door locks offer extra security with deadbolt and spring-bolt reinforcement technology.