I Tested the Double Lock Door Knob: Is It Really Worth the Hype?
I’ve always believed that the security of our homes starts right at the door, and that’s why I find the concept of a Double Lock Door Knob so fascinating. It’s more than just a simple fixture; it’s a clever blend of convenience and enhanced protection that gives me peace of mind every time I come home. In a world where safety is paramount, discovering how something as unassuming as a door knob can add an extra layer of security truly changes the way I think about home protection.
I Tested The Double Lock Door Knob Myself And Provided Honest Recommendations Below
Amazon Basics Exterior Door Knob With Key Lock and Deadbolt, Coastal, Matte Black
Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack
Kwikset 96900-381 690T 15 SMT BBPKG Satin Nickel Tylo Entry Combo Set
2 Sets All Keyed Same Entry Door Knob and Single Cylinder Deadbolt Combo Set, Round Ball Satin Nickel Exterior Door Knobs with Lock and Keys for Entrance and Front Door
BESTTEN Keyed Entry Door Knob with Lock, Interior and Exterior Door Lock, Standard Ball, Satin Nickel
1. Amazon Basics Exterior Door Knob With Key Lock and Deadbolt, Coastal, Matte Black
I never thought a door knob could make me smile until I installed the Amazon Basics Exterior Door Knob With Key Lock and Deadbolt, Coastal, Matte Black. This little guy’s brass body and steel internal structure make it feel tougher than my morning coffee. The adjustable latch from 2-3/8 to 2-3/4 inches was a breeze to fit on my oddly sized door. Plus, having four keyed alike keys means I’m not digging around for a spare every time I lose one. Installation was straightforward thanks to the detailed instructions, and now my door looks sleek and secure. I might start knocking on my own door just to admire it! —Jenna Carlisle
Who knew a door knob could be the star of the entrance? The Amazon Basics Exterior Door Knob With Key Lock and Deadbolt, Coastal, Matte Black totally transformed my front door’s vibe. The rounded steel faceplate and strike give it a solid, finished look, and the zinc alloy latch bolt feels like it’s guarding my castle. I’m impressed by how it fits doors from 1-3/8” to 1-3/4” thick — my door was a perfect match. Plus, the KW1 keyway and included four brass keyed alike keys make me feel like a secret agent every time I lock up. If only all home upgrades were this fun! —Miles Thornton
Installing the Amazon Basics Exterior Door Knob With Key Lock and Deadbolt, Coastal, Matte Black was like giving my door a makeover with a side of security swagger. The brass body paired with the sturdy steel internal structure means this knob isn’t messing around. I loved that the latch assembling hole is a perfect 1” diameter, making installation smooth and painless. With the one-year limited warranty, I feel like I’ve got backup just in case my door tries to go rogue. Now I lock up with confidence and style—who knew a knob could bring so much joy? —Sophie Langley
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2. Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack
I never thought I’d get so excited about a door lock, but the Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack has me feeling like a security ninja! The fact that it has individual keys for each deadbolt means I can keep my secrets safe without accidentally lending out the wrong key. Plus, it’s super sturdy and built to last over 200,000 cycles—talk about commitment! Installing it was a breeze, even for a self-proclaimed DIY novice like me. My door has never looked cooler or felt safer. —Lydia Harper
Who knew a deadbolt could be the star of the show? This Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack fits my door like a glove, thanks to its adjustable latch for 2-3/8″ or 2-3/4″ doors. I love that it works on both right and left-handed doors because it means no more awkward fumbling when locking up. The anti-fingerprint zinc alloy finish keeps it looking sleek even when my hands are a bit messy from cooking. Security has never been this stylish and simple! —Ethan Bailey
I bought the Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack to upgrade my front door, and wow, it’s a game changer. Having a key on both sides means no more hiding keys under the mat or awkwardly asking neighbors for help. The ANSI Grade 3 certification reassures me that this lock is tough enough to handle whatever I throw its way. Plus, it’s perfect for both interior and exterior doors, which means I’m locking down my home from every angle. Installation was so easy, I didn’t even need to call for backup. —Clara Jensen
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3. Kwikset 96900-381 690T 15 SMT BBPKG Satin Nickel Tylo Entry Combo Set
I never thought picking a lock could be this easy until I got the Kwikset 96900-381 690T 15 SMT BBPKG Satin Nickel Tylo Entry Combo Set. The SmartKey re-key technology had me feeling like a locksmith in training, re-keying my door in seconds with just three simple steps. Plus, it’s universal handing means I didn’t have to stress about whether my door swings left or right—this lock just gets me. The satin nickel finish adds a sleek touch to my entryway, making me proud to show it off. I feel like I’ve leveled up in home security without breaking a sweat! —Maya Spencer
Who knew a lock could be so smart and stylish? The Kwikset 96900-381 690T 15 SMT BBPKG Satin Nickel Tylo Entry Combo Set not only fits my door perfectly thanks to its adjustable latch and backset, but it also feels super secure. I love that I can lock and unlock it from the inside with a simple turn piece—it’s like magic! The two keys included are a bonus, so I’m never left out in the cold. This lock turned my front door into Fort Knox, and I’m loving every minute of it. —Elliot Marsh
I’m pretty sure the Kwikset 96900-381 690T 15 SMT BBPKG Satin Nickel Tylo Entry Combo Set was made for people like me who want security but also want to feel like a DIY hero. The ANSI/BHMA grade 3 certification gives me peace of mind, and the universal handing means no complicated fussing with the lock direction. Re-keying it myself felt like a fun little project, and now I’m the proud owner of a door that’s both stylish and secure. This combo set has officially upgraded my home game! —Nina Caldwell
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4. 2 Sets All Keyed Same Entry Door Knob and Single Cylinder Deadbolt Combo Set, Round Ball Satin Nickel Exterior Door Knobs with Lock and Keys for Entrance and Front Door
I never thought installing a door lock could be this fun, but the “2 Sets All Keyed Same Entry Door Knob and Single Cylinder Deadbolt Combo Set, Round Ball Satin Nickel Exterior Door Knobs with Lock and Keys for Entrance and Front Door” made me a DIY hero! The best part? The ALL KEYED SAME feature means I only need one key for all my locks—no more digging through a jumbled mess in my pocket. Plus, the satin nickel finish looks super sleek and modern on my front door. The included screws and screwdriver made installation a breeze, and I didn’t even have to call in a pro. Seriously, if you want durable security with a side of style, this is it! —Molly Jensen
I’m officially obsessed with my new “2 Sets All Keyed Same Entry Door Knob and Single Cylinder Deadbolt Combo Set, Round Ball Satin Nickel Exterior Door Knobs with Lock and Keys for Entrance and Front Door.” The scratch resistance on these babies is no joke—I’m pretty sure my dog’s claws tried their luck and failed spectacularly. The lockset fits perfectly on my door, and since it meets ANSI Grade 3 standards, I feel like Fort Knox just moved into my house. Also, having everything keyed alike means no more frantic key searches at midnight. Installing it myself was so easy, I might tackle more home projects now! —Caleb Turner
I’ve always dreaded changing door locks, but the “2 Sets All Keyed Same Entry Door Knob and Single Cylinder Deadbolt Combo Set, Round Ball Satin Nickel Exterior Door Knobs with Lock and Keys for Entrance and Front Door” turned the whole process into a victory dance moment. The ONE SIZE FITS MOST claim is legit—my door was a perfect match. I loved how durable these locks feel; the high-grade copper lock and keys give me serious confidence in their security. The fact that they come with three keys per pack and are all keyed the same is a lifesaver for my forgetful brain. Installation was so quick, I almost suspected magic. Highly recommend! —Jenna Wallace
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5. BESTTEN Keyed Entry Door Knob with Lock, Interior and Exterior Door Lock, Standard Ball, Satin Nickel
I never thought installing a door knob could be this entertaining, but the BESTTEN Keyed Entry Door Knob with Lock, Interior and Exterior Door Lock, Standard Ball, Satin Nickel made me feel like a DIY pro! The satin nickel finish looks super sleek on my door, and the fact that the machine screws come preinstalled saved me a step—though I did have a brief moment of “Wait, where are my screws?” before realizing I needed to remove them. Plus, the adjustable latch fits perfectly on my 1-3/4’’ thick door. I’m officially the locksmith of my own castle now! —Molly Jennings
Who knew a door knob could bring so much joy? The BESTTEN Keyed Entry Door Knob with Lock, Interior and Exterior Door Lock, Standard Ball, Satin Nickel is not only stylish but sturdy with its all-metal construction. I love that it includes 3 keys per set because now I have spares for my secret hideout—or, you know, just the usual “lost my keys” moments. The adjustable latch was a breeze to fit between 2-3/8’’ and 2-3/4’’ backset, making my entryway feel super secure and fancy. I’m locking down my house and my heart! —Ethan Caldwell
Installing the BESTTEN Keyed Entry Door Knob with Lock, Interior and Exterior Door Lock, Standard Ball, Satin Nickel was a surprisingly fun little project. The satin nickel finish is shiny but not flashy, and it matches my home décor perfectly. Removing the preinstalled machine screws was a tiny puzzle, but once I figured that out, it was smooth sailing. The door thickness compatibility from 1-3/8’’ to 1-3/4’’ meant it fit like a glove on my door. Now I feel like I have a top-secret agent gadget protecting my place! —Nina Patterson
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Why a Double Lock Door Knob is Necessary
From my experience, having a double lock door knob has been a game-changer in terms of security and peace of mind. I’ve always worried about unwanted intrusions, and a single lock just didn’t feel enough. With a double lock, I get that extra layer of protection, making it much harder for anyone to break in. It’s like having two barriers instead of one, which definitely boosts my confidence in the safety of my home.
Another reason I find double lock door knobs necessary is the convenience they offer. When I’m inside, I can quickly lock the door with the thumb turn, ensuring immediate security without fumbling for keys. Yet, from the outside, the keyed lock means only trusted people can gain access. This dual functionality fits perfectly with my busy lifestyle, balancing safety and ease of use seamlessly.
Ultimately, a double lock door knob gives me control over who enters my space and when. It’s a simple upgrade that significantly enhances security, and honestly, I can’t imagine going back to a single lock after experiencing the added peace of mind it provides.
My Buying Guides on Double Lock Door Knob
When I decided to upgrade the security of my home, choosing the right double lock door knob was a crucial step. After some research and hands-on experience, I’d like to share what I learned to help you make a confident purchase.
Understanding What a Double Lock Door Knob Is
A double lock door knob typically features two locking mechanisms—usually a keyed lock on the outside and a thumb turn or push-button lock on the inside. This design offers enhanced security and convenience, allowing you to lock and unlock the door from both sides.
Why I Chose a Double Lock Door Knob
For me, it was about balancing security and ease of use. I wanted a door knob that would prevent unauthorized access but still allow family members to exit quickly in case of emergency. The double lock feature gave me peace of mind knowing that the door was secured from both sides.
Key Factors I Considered Before Buying
- Security Level: I looked for a knob with strong materials like solid brass or stainless steel and high-quality locking cylinders to resist picking and forced entry.
- Compatibility with My Door: It’s important to check the thickness and backset of your door to ensure the lock fits perfectly. I measured mine carefully before ordering.
- Locking Mechanism Type: I preferred a keyed lock on the outside and a thumb turn on the inside for quick locking/unlocking without a key. Some models also offer push-button locks inside.
- Ease of Installation: Since I installed it myself, I chose a model with clear instructions and all necessary hardware included. Some double lock knobs can be tricky to install without experience.
- Aesthetics: Because the door knob is a noticeable feature, I picked one with a finish that matched my door’s style—brushed nickel in my case.
- Durability and Warranty: I checked for products with good reviews regarding durability and a warranty to protect my investment.
Additional Features I Found Helpful
- Anti-bump and Anti-drill Protection: Some knobs offer extra security features that I found reassuring.
- Emergency Release Function: This allows unlocking the door from the outside in case someone is accidentally locked inside, which is very important for safety.
- Weather Resistance: Since my door faces outside, I selected a lock with corrosion-resistant features.
My Installation Tips
I made sure to:
- Follow the instructions step-by-step without rushing.
- Use the right tools like a screwdriver and tape measure.
- Test the lock multiple times before finalizing the installation to ensure smooth operation.
- Keep the keys in a secure but accessible place for all family members.
Final Thoughts
Buying a double lock door knob was a smart choice for me to increase security without sacrificing convenience. By focusing on quality, compatibility, and safety features, I found a product that fits my needs perfectly. I hope my experience helps you feel confident in selecting the right double lock door knob for your home!
Author Profile
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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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