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, and steel. The …

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 with set …

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 Locking …

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, …

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 security solutions.

Take our quiz to find the perfect Yale Assure Lock® 2 that fits into your life and complements your favorite door style, paint colors, and matching door hardware.

Shop Best Buy for smart locks. Manage home security remotely from your phone with smart locksets. Find keypad door locks in stores & online for your entryways.

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

Choose from our selection of padlocks, locks and latches, lockouts, and more. Same and Next Day Delivery.