In more complex mechanical lock/key systems, two different keys, one of which is known as the master key, serve to open the lock. Common metals include brass, plated brass, nickel silver, …

The meaning of LOCK is a fastening (as for a door) operated by a key or a combination. How to use lock in a sentence.

A heavy-duty combination lock or a padlock can secure outdoor storage, fences, self-storage units or lockers, keeping your belongings safe. When purchasing a combination lock, choose one …

Philips Wi-Fi Smart Lock with Handle, Keyless Entry Keypad Door Lock with Handle, Front Door Deadbolt Set with WiFi Gateway, App Control, Fingerprint Unlock, PIN Code Unlock, Auto …

Lock definition: a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

Master Lock is recognized around the world as the authentic, enduring name in locks, combination padlocks and security products. Learn more about our extensive assortment of …

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Kwikset is a secure door lock industry leader & innovator in home safety with keyless entry and re-keying technology for residential and commercial door hardware

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