Where to purchase locks

Master Lock products can be purchased at a wide variety of retail stores across North America. Please note: Not all products are available from all locations. Call ahead for availability.

Master Lock products can be purchased at a wide variety of stores across Canada. Master Lock is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.

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View GSA distributors. In our labs, a few well-placed kicks or a couple of minutes under assault from a cordless drill were all it took to defeat almost every lock in our ratings.

That goes for conventional deadbolts, electronic locks with keypads, and smart locks—those you can operate with a smartphone or smart speaker. Internet-connected smart locks are improving in a number of ways. Newer models connect directly to WiFi, negating the need for hubs and bridges that connect them to the internet. Some smart locks now feature fingerprint sensors, giving you a way to unlock your door without a key, a PIN code, or a smartphone.

And retrofit smart locks models that essentially add smarts to your existing lock are getting smaller. August a sister brand of Yale made its latest retrofit model, the August WiFi Smart Lock , smaller than the previous version. But a new startup called Level has made its retrofit model, the Level Bolt , so small that it simply replaces the bolt of your existing deadbolt.

Smart locks will see more changes as the smart home industry adopts a new communications standard called Matter. Through this standard, smart home devices from different manufacturers will be able to talk to each other without the need for dedicated partnerships between companies.

Matter-certified products are expected to enter the market by the end of They repeat the test eight times, at increasing heights, or until the lock fails. The models that fail—and at least half do—then go through another test round with a reinforced box strike plate installed on a new lock sample. For the drilling test, we evaluate how well each lock can withstand attack from a cordless drill.

And for the picking test, we assess the internal mechanisms of each lock to see how easily they can be picked. The only exception is retrofit smart locks. These locks replace only the interior side of your existing deadbolt, essentially adding smarts to the lock you already use.

Both types of smart locks also get additional testing. Our testers factor these features into our ratings for ease of remote access, convenience, and security add-ons. We also run through the wireless setup process to see how difficult it is to connect the locks to a smartphone and other smart home devices such as smart speakers , putting ourselves in your shoes.

For the details on how well each door lock performs in these tests, see the results in our door lock ratings. Very few locks we rate earn a high Overall Score, and some locks prove to be far more susceptible than most to brute-force attacks. Below are a few key takeaways. Drills Easily Open Most Locks With all but the high-security locks we test, even an ordinary cordless drill can disable the cylinders in 2 minutes or less.

Parts Are Often Inadequate All locks come with a strike plate that attaches to the doorjamb. These models allow you to create codes for temporary access to guests and contractors; you can delete the codes when access is no longer needed, without having to change the lock or call a locksmith.

This process is even easier with smart locks, most of which allow you to create and delete PIN codes and electronic keys from your smartphone. But many of these high-tech locks are still susceptible to physical break-in tactics, such as drilling and picking.

Most are single-cylinder locks, and a few models can be rekeyed without the need to hire a locksmith. Pros: Models are affordable and often rekeyable. Deadbolts significantly improve security over key-in-knob locks alone. Electronic locks let you lock and unlock your door without a key.

These models do more than lock doors, offering remote control, voice control, access logs, geofencing, and other smart features. Features such as remote control and voice control often require a separate WiFi adapter or bridge that transmits the signal from the lock to your wireless router, and that costs extra. However, more and more WiFi models are coming to market.

There are also Bluetooth-only smart locks that have limited wireless range but offer some smart features. Pros: These models add convenience and—with optional WiFi connectivity—peace of mind through remote control and other smart features. They usually require extra hardware sometimes sold separately for remote features and are more expensive than conventional deadbolt locks. These models offer all the same features as regular smart locks, but instead of fully replacing your deadbolt, they replace part of your existing deadbolt usually the interior side with the thumb-turn.

This allows you to essentially keep your existing deadbolt and keys while gaining smart features, such as remote control and auto-unlocking. Pros: You get to keep your existing keys and the exterior side of your deadbolt, which might match your front door handleset.

Cons: The physical strength of these smart locks is entirely dependent on your existing deadbolt. The high-security locks have hardened cylinders, unique pin configurations, and other defenses.

Industry rankings, Grades 1 to 3, seem to track with our ratings, with Grade 1 locks being the most difficult to disable. But if you have a break-in, the deductible on your homeowners insurance is likely to be higher than the cost of the lock. And insurance policies commonly give discounts for homes with deadbolts. Determine Whether You Want a Smart Lock The price alone might be enough to make you scoff at buying a smart lock, but before you dismiss it, consider the convenience it delivers.

Smart locks solve those problems by way of smartphone apps and optional remote locking and unlocking features. Just know that remote access usually requires the use of some sort of WiFi bridge, at an additional cost. Beef Up the Door Frame and Lock Weak doors—in particular, hollow-core doors—may give way before the lock does.

Whichever type of lock you buy, be sure to use a box strike made of heavy-duty metal and install it with the screws provided. Another option is to install 3-inch screws on your existing strike plate. Hinges should also be secured with 3-inch screws. You might not want to spring for a double-sided lock, though; many municipalities consider them to be a fire hazard because you need a key to unlock the door from inside, which creates the possibility of being trapped. But they can offer peace of mind if installed on a door adjacent to glass sidelites by robbing a would-be burglar of the ability to break the glass and reach in to unlock the thumb-turn.

Here are a few lock features that can add security and convenience to your home.