It’s hard to know which is good knob lock. There are alot of knob lock reviews on internet. In this article we suggest top 17 the best knob lock for you. Please read carefully and choose what is the best knob lock for you.
Best knob lock
1. Kwikset Juno Entry Knob featuring SmartKey in Satin Nickel
Feature
Designer style and superior security with this Kwikset Signature Series productFor use on exterior doors where keyed entry and security is needed
Featuring SmartKey re-key technology; re-key the lock yourself in seconds in 3 easy steps
Universal handing; fits both right handed and left handed doors
Features an adjustable latch to fit all standard door preparations
Description
Step up to designer styles and superior security with Kwikset Signature Series products. Juno's elegant, traditional style blends perfectly with most design styles. Both knobs/levers can be locked or unlocked by key on the outside, or turn button on the inside. SmartKey Re-key Technology allows you to control who has access to your home. Re-key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key? Its time to re-key. SmartKey provides the highest level of residential security and features BumpGuard to protect against lock bumping. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.2. Prime-Line S 4180 Door Knob Lock-Out Device Prevents Turning of Door Knob and Access to Keyhole, Can be Used for Home Rentals, Evictions, Job Sites and More Keyed Alike, Gray Diecast
Feature
PREVENT ACCESS TO KEYHOLE - This door knob lock-out device prevents turning of knob and access to keyhole, ensuring others with a key are not able to unlock the door. For use with keyholes in round door knobs of up to 2-7/16 in. outside diameter.FOR RENTALS, EVICTIONS AND MORE - This lockout device is often used in evictions, rentals, home sales, job sites and in-home or office storage.
QUICK, EASY INSTALLATION - Installation is quick and easy - just place door knob lock-out device over the door knob, lock and go!
DURABLE CONSTRUCTION - With diecast construction and a gray painted finish, this lock-out device is built to last. Cylinder is held in place with an O-ring and is removable when device is open and unlocked. The cylinder cannot be removed when device is closed and locked.
PREVENTS - This lock out device is designed to prevent turning of knob and access to keyhole.
Note: All padlocks in the set are opened by the same key.
Description
Prevent others with a key from accessing a locked door with this Door Knob Lock-Out Device. This door knob lock-out device prevents turning of knob and access to keyhole, and is commonly used for evictions, rentals, home sales, job sites and in-home or office storage. For use with keyholes in round door knobs of up to 2-7/16 in. outside diameter, and will not work with door knobs of a larger diameter. With diecast construction and a gray painted finish, this lock-out device is built to last, and installation is quick and easy. Cylinder is held in place with an O-ring and is removable when device is open and unlocked. The cylinder cannot be removed when device is closed and locked. Note that the shaft cut-out is oval/oblong in shape, measures 1-3/4 in. x 1-1/2 in, and may fit loosely over some door knobs with round, slender shafts. Note: These lock-out devices are for use over keyed/locked door knobs to block access to the keyhole from others who may have keys to unlock the door. See model number S 4181 for lever-type door knobs.3. Major A100 KEE-BLOK for Knobs
Feature
Double sided wafer tumbler lock.Ideal for hotel lockout.
Easily move from door to door.
Supplied Keyed Different
Description
Knob kee-blok control access to inner office doors or restricted area.4. Door Knob Covers - 4 Pack - Child Safety Cover - Child Proof Doors by Jool Baby
Feature
Deter children from opening doors or getting locked in a room with a door knob cover.Compatible with standard spherical doorknobs. Fits more door knobs than any competing product.
Jool Baby Door Knob Safety Cover features a subdued, unobtrusive design that blends into your room design.
EXCLUSIVE LIFETIME MONEY BACK-GUARANTEE: If at any given point you're not 100% satisfied, we'll offer you a prompt and full refund of our child safety door knob covers!
Description
Jool Baby Door Knob Covers cover deter children from opening doors or getting locked in a room. Our child safety covers are compatible with standard spherical doorknobs. The subdued, unobtrusive design will blend into your room design door knob lock locks child safety child proof door lock baby safety5. Copper Creek BK2040SS Ball Entry Door Knob, Satin Stainless
Feature
ANSI Grade-3 Security Keyed Entry Ball KnobSteel Round Corner Adjustable Latch
Nickel plated bolts
Rich Satin Stainless Finish
Limited lifetime mechanical and 5 year finish warranty
Description
Whether you are remodeling your home, or building a new home, this stylish soft contemporary keyed entry door knob provides the perfect balance between superior security and quality. The satin stainless finish is inviting, resists smearing , and offers great durability. These locksets feature round corner adjustable latches, nickel plated bolts, sized to fit most doors, and meet the rigorous standards of the Builders Hardware Association.6. Signstek Keyless Digital Electronic Entry Security Safety Door Lock Locker (Silver)
Feature
In installation, just use the existing knob lock hole, no need to open another holes.The keypad is backlit and water resistant, more convenient at Night.
Very easy to operate, suitable for office, house and apartment.
Exquisite appearance, rational structure, safe and reliable.
Especially suitable for installation by nonprofessionals.
Description
Features: About Warranty: 6 months warranty. 30 days free return and money back guarantee. 24 customer service response. About password: - There are ten passwords, including 1 master password, and 9 sub passwords, which are easy to manage. - Change Master password and Sub passwords freely. - Master password can be used to add or delete any sub password - The fired user can be deleted individually by Master password, without any affect on the normal application of the lock by the other users - One-Key opening function(Passage Mode) :Press any digital key to open the lock - Outer-emergent power supply opening function. - Encryption function , for confusing any spies watching as the User code being entered. - Resetting function. When forget the password, or something unusual, after resetting, it can be normal. About Battery: - Low battery alarming function - Easy to replace batteries , without affect the information of passwords. - Low battery waring with emergency power jump override Advantages: - Anti spy code encryption - Suitable for indoor and outdoor - No external wiring required - Free rotating handle is adopted to avoid unlock by violence - American standard tubular latch Door thickness: Suitable for 35-50mm door; Select the lock-tongue between the size of 60mm and 70mm About Package: 1 x Door Lock 5 x fixing screws 1 x jamb box 1 x strike plate 1 x emergency power 1 x User Manual7. Lokt, AMG and Enchante Accessories Entry Ball Door Knob Lock Set, AMK102E-SS, Stainless Steel
Feature
Includes 1 entry door knob, 1 latch, 1 strike plate, 2 keys, and all installation screwsAdjustable Latch Included! Fits any 2-3/8" or 2-3/4" backset
Fits all doors 1-3/8" to 1-3/4" thick
Easy Replacement Installation with any Phillips Screwdriver! Instructions Included
Limited Lifetime Warranty
Description
Instantly upgrade your home with these premium door knobs by LOK?T.
These locks add sophistication and securtity to your front door, office, or bedroom. Ordinary locks can falter with time, but LOK?T provides you with a quality product that lasts. Limited Lifetime Warranty included.
Produced for and distributed by Enchante Accessories.
8. Kiscords Baby Safety Cabinet Locks for Knobs Child Safety Cabinet Latches for Home Safety Strap for Baby Proofing Cabinets Kitchen Door RV No Drill No Screw No Adhesive (White)
Feature
THESE CABINET LOCKS ARE DESIGNED TO WORK ONLY ON CABINETS WITH SIDE-BY-SIDE KNOBS. Have handles? See our other product designed specifically for side-by-side straight handles (you can easily find them by clicking on the blue "Kiscords" link located next to the product title in this listing). Also, view our instructional videos on YouTube. Just type in "Kiscords" and click on the instructional video for knobs.KEEP YOUR BABY SAFE FROM ACCIDENTS: This cabinet latch offers the best protection to keep your kids safe without damage to your expensive cupboards. Our cabinet latches are available in white and black colors to match any dcor and are perfect for baby proofing kitchens, bathrooms and accessible furniture.
NO DRILLING, NO ADHESIVE: Our cabinet straps are easy to install without drilling, screws, magnets or adhesives. They are the perfect solution to childproof your home without damaging your expensive doors and furniture. They easily adjust to secure knobs up to 6 inches apart on center.
EASY FOR ADULTS---NOT CHILDREN: Little ones are perplexed by these fasteners and are unable to figure them out. However, parents will love the simplicity...the cords are easy to remove with just one hand and are portable so they can be taken anywhere to keep your toddler safe.
100% MONEY BACK WARRANTY: Kiscords uses only the highest quality materials. Our products are factory tested and we are confident you will absolutely love them. If you don't, you are backed by our no questions asked, 30-day money back warranty! For any return issues, just contact Amazon customer support or message us directly through Amazon.
Description
Kiscords baby safety locks are designed by a mom for moms. Many of our straps are assembled and packaged in the USA by people with disabilities. Other door fasteners may damage your cabinets! Ever thought about what could happen to your expensive furniture when you try to remove an adhesive from the doors after 2-3 years? Our latches keep small children safe, and offer the best protection and easy installation with no tools, screws or drill necessary. New parents with little one's can rest easy that our ties will babyproof their house. After a few tugs on the strap, kids simply give up and leave the knob alone. Our childproofing kit is also great for grandparents needing a temporary locking solution because they won't scratch or damage kitchen and bathroom cabinets and they are very easy and effective to use. The cords can be removed using just one hand making getting into cupboards a snap. Our child proofing products are time tested and have consistently been a favorite for moms and dads for over 6 years. Unlike magnetic locks, our no drilling or adhesives childproof cord latches are portable and can go anywhere with on the go parents to secure cabinet knobs and keep your new baby out of danger. Our safety products also make for a great gift for a baby shower, birth announcement, or new baby present. New parents will be prepared when their infant begins crawling at 6 months old, the suggested time to baby-proof. Give our child proof safety latch a try and we guarantee you'll love them or your money back. See our demonstration video at "Kiscords" on YouTube. THEY CAN FIT KNOBS UP TO 6 1/2 INCHES APART DEPENDING ON THE DIAMETER. THESE CORD LOCK CHILD CABINET LATCHES WORK ON KNOBS ONLY AND WILL NOT WORK ON A STRAIGHT CLOSED LOOP HANDLE. If you have handles, please see our other Kiscords safety fastener designed for that purpose.9. Master Lock Keyed Entry Door Lock, Biscuit Style Knob, Satin Nickel, BCO0115
Feature
DOOR LOCK APPLICATION: For indoor and outdoor use; Best used for residential exterior entry doorsEASE OF USE: Keyed entry with interior turn button; Turn button to unlock position to disengage latch
SLEEK APPEARANCE: Satin nickel finish upgrades your look or matches existing door hardware
FLEXIBLE INSTALLATION: Six-way adjustable latch, fits 2-3/8 in. or 2-3/4 in. backset, square, rounded corners, or drive-in
SPECIFICATIONS: Entry door lock offers ANSI grade 3 performance for exterior locking applications; Includes two keys
Description
Master Lock BCO0115 biscuit knob style keyed entry door lock. Satin nickel finish. Six way adjustable latch fits all doors 2-3/8-inch or 2-3/4-inch backset, square, rounded corners or drive in.The SilvaBond antimicrobial protected finish on this Biscuit Keyed Entry Lockset has proved to be very effective in controlling bacteria, mold and mildew on surfaces. Independent laboratory testing has confirmed the effectiveness of this long lasting and durable finish.10. LOKT, AMG and Enchante Accessories Entry Tulip Door Knob Lock Set, AMK103E-PB, Polished Brass
Feature
Includes 1 set of entry door knobs, 1 latch, 1 strike plate, 2 keys, and all installation screwsAdjustable Latch Included! Fits any 2-3/8" or 2-3/4" backset
Fits all doors 1-3/8" to 1-3/4" thick
Easy Replacement Installation with any Phillips Screwdriver! Instructions Included
Limited Lifetime Warranty
Description
Instantly upgrade your home with these premium door knobs by LOKT.
These locks add sophistication and securtity to your front door, office, or bedroom. Ordinary locks can falter with time, but LOKT provides you with a quality product that lasts. Limited Lifetime Warranty included.
Produced for and distributed by Enchante Accessories.
11. EUDEMON 4 Pack Baby Safety Door Knob Covers Door Knob Locks
Feature
Special Design---Special double button design with soft TPR material increased friction with the door knob. When you need to open the door,press the double buttons and turn the door knob easily.Easy Installation/Removal---No Adhesive, no drill and tools need,no harm to the door.Take off the door knob cover then set it on the door knob and close the two covers,the door knob is in lock.It can be easily removed by a screwdriver.
Why need it---Prevent babies from opening the door and getting into dangers like the toilet or the storeroom and get injured;Prevent babies from going in or out of the house without adults' superision; Prevent children from playing with the door and pinching their fingers.
Safety & Eco-Friendly---Made of Eco-Friendly PP and TPR material. EUDEMON baby safty door knob cover has pass Mechanical and Physical Properties test(EN71). Parents can use them safely on the door knobs.
Excellent after-sales service: Your satisfaction is always our top priority,if at any given point you're not 100% satisfied, please do not hesitate to contact us. Hope Eudemon can help make your home a safer place for your babies!
Description
Door Knob Covers help keep little ones from entering parents' rooms. Their sleek modern design blends in with any home decor.
Deter children from opening doors or getting locked in a room with a door knob cover.
Prevent children from opening or closing the door effectively.
Easy to assemble and clean.
Easy for adults to use and can extend the operating life of the door knob.
Prevent children from injury by opening or closing the door.
Ideal for standard round door knobs.
Special button design can effevtive protect babies' fingers from getting stuck.
Including:4 pack door knob safety covers
Lock guard covers the door handle lock protecting against accidental lock outs
Don't Delay! Stock is Strictly Limited! CLICK the 'Add to Cart' Button at the Top of this Page.
EXCLUSIVE LIFETIME MONEY BACK-GUARANTEE: If at any given point you're not 100% satisfied, we'll offer you a prompt and full refund of our child safety door knob covers!
12. SoHoMiLL Electronic Door Knob (Spring Latch Lock; Not Deadbolt; Not Phone Connected), Single Front keypad YL 99
Feature
Easy setup: master code, passage code, and up to 8 user codes - all controlled by your master codeFits both left and right-hinged doors; heavy duty design (stainless steel) and all-weather
Design for Do It Yourself (DIY), and Easily replace most existing door locks, outdoor or indoor
Auto-lock from outside in three seconds after entry to ensure max. security
Low battery warning, plus backup battery box jumper (AAA batteries NOT included)
Description
Keyless lock (electronic keypad lock), install it yourself! don't worry about losing, forgetting, or making extra keys time and time again! install this keyless door lock yourself -- with nothing more than a screwdriver. Fits in standard door knob installation hole -- adjustable latch backset 2 3/8" to 2 3/4". you're free to add, change, or delete user codes -- and come and go as you please. This lock works for exterior, interior, side, or garage entry doors. For family, each member can have their own user code to access. Coming home late at night? no problem! the keypad is lit up by energy efficient led when pressed, so you can see it in the dark. If relatives are visiting, set a temporary code for their stay. No spare keys needed! going for a jog or a ride? no more carrying a bulky key chain or worrying about losing your keys along the way. Press your code and you are home! pet lover? this lock will allow you to give your neighbor or pet sitter a code of their own while you are away. When you return, simply delete the code from the lock. For rental or vacation home owner, this will reduce your costs in replacing locks and making extra keys. Install this lock on your rental property and save yourself the hassle, too. When your renter moves out, simply change the code. Please note: four aaa batteries not included: taken out to comply with transportation regulations. !!! caution !!! the most common error in installation: four batteries are not placed correctly. Please check the +/- poles for all four batteries according to the battery-box markings. Before installations, please read faq.13. SoHoMiLL Electronic Door Knob with Backup Mechanical Key (Spring Latch Lock; Not Deadbolt; Not Phone Connected), Single Front keypad YL 99 B
Feature
Easy Setup; Design for Do It Yourself (DIY); No Professional Needed; Everything Included!Fit Both Left and Right-hinged Doors; Replace Most Existing Door Knobs, Outdoor or Indoor, Easily!
Flexible: Master code, and upto 8 User Codes and P-Code, all Controlled by Your Own Master code
Reliable and Failproof: Backup Mechanical Key included; Low Battery Warning
Max.Security: Auto-Lock in 3-sec from Outside; Alert to Every Entry Attempt; No Phone Connected:No Hacking!
Description
Electronic Door Knob with Backup Mechanical Key, install it yourself! don't worry about losing, forgetting, or making extra keys time and time again! install this keyless door lock yourself -- with nothing more than a screwdriver. Fits in standard door knob installation hole -- adjustable latch backset 2 3/8" to 2 3/4". you're free to add, change, or delete user Codes -- and come and go as you please. This lock works for exterior, interior, side, or garage entry doors. For family, each member can have their own user code to access. Coming home late at night no problem! the keypad is lit up by energy efficient LED when pressed, so you can see it in the dark. If relatives are visiting, set a temporary code for their stay. No spare keys needed! going for a jog or a ride no more carrying a bulky key chain or worrying about losing your keys along the way. Press your code and you are home! pet lover this lock will allow you to give your neighbor or pet sitter a code of their own while you are away. When you return, simply delete the code from the lock. For rental or vacation home owner, this will reduce your costs in replacing locks and making extra keys. Install this lock on your rental property and save yourself the hassle, too. When your renter moves out, simply change the code. Please note: four aaa batteries not included: taken out to comply with transportation regulations. !!! caution !!! the most common error in installation: four batteries are not placed correctly. Please check the +/- poles for all four batteries according to the battery-box markings. Before installations, please read faq.14. Advanced Security TurboLock Keyless Smart Lock Keypad with Automatic Locking, Battery Backup & Easy Installation (No Bluetooth, Stainless Steel)
Feature
SIMPLE TO USE - Program the keyless door locks with a master code, a standard entry code, and up to 8 user specific codes.EASY TO INSTALL - Replaces most standard U.S. front door locks, installs in minutes, and fits both left and right hinged doors.
SAFE AUTOMATIC LOCKING -3 seconds after being opened, the electronic door lock will automatically lock behind you.
SMART BATTERY BACKUP -The digital lock is equipped with a backup battery port in the event that your batteries run out.
DURABLE - This keyless entry lock is built with weather proofed stainless steel and designed to withstand the elements.
Description
Open the door to the new possibilities of keyless entry with the TurboLock door lock. Increase the security of your home or office property with our durable weather-proofed, stainless steel design which is perfect for both inner and outer doors!With the Turbolock, you never have to worry about where you left your key or making copies for friends and family, anymore. With the TurboLock code door lock, you can program up to 10 passcodes including 1 master code, 1 standard entry code, and up to 8 personalized user keycodes.
The Turbolock can also have multiple uses throughout the office. Whether you need a strong durable lock to protect your inventory, or a protective lock for your front entrance, the Turbolock's versatility and strength make it a perfect fit wherever it's placed.
Installation is easy! This smart lock requires no professional installation or specialized tools, and installs within minutes using a standard screwdriver. The TurboLock wireless door lock is powered by 4 AAA batteries that can last for up to 12 months. Worried about your TurboLock running out power? Don't be. In the event that your batteries are running low, the Turbolock door lock system comes with a battery backup pack that plugs into a specially designed port at the bottom of the knob.
The Turbolock electronic lock is designed with your security in mind. You'll never have to wonder if you locked the door again! The Turbolock keyless entry door locks automatically lock behind you after 3 seconds. We've even taken your security to the next level with a special password disguising feature to keep your pin-codes safe from wandering eyes! Simply enter the first digit of the code, then you may enter any amount of random digits before completing the code.
Experience the convenience and added security of our keypad door lock and order your TurboLock today!
15. AmazonBasics Exterior Knob With Lock and Deadbolt, Classic, Oil Rubbed Bronze, Set of 2
Feature
Includes two (2) knob and deadbolt sets; Brass body with steel internal structureAdjustable latch from 2-3/8 - 2-3/4 inches (60-70mm)
Includes four (4) brass keyed alike keys, KW1 keyway, rounded steel faceplate and strike, and zinc alloy latch bolt
Detailed installation instructions included
Backed by an AmazonBasics 1-year limited warranty
16. AmazonBasics Exterior Door Knob With Lock and Deadbolt, Standard Ball, Satin Nickel
Feature
Brass body; steel internal structureAdjustable latch from 2-3/8 - 2-3/4 inches (60-70mm)
Includes four (4) brass keyed alike keys, KW1 keyway, rounded steel faceplate and strike, and zinc alloy latch bolt
Detailed installation instructions included
Backed by an AmazonBasics 1-year limited warranty
17. Defender Security S 4180 Doorknob Lock-Out Device Doorknob Lock with Key to Block Access to Keyhole, Removeable and Easy to Use, Fits Round Doorknobs with Max Diameter of 2-7/8
Feature
DOORKNOB LOCK-OUT DEVICE The Defender Security doorknob lock-out device can be placed directly over the doorknob to prevent access to the keyhole.COVERS KEYHOLE This doorknob security device is not designed to prevent turning an unlocked knob, but rather to block access to the locked keyhole, effectively keeping other keyholders out.
REMOVABLE The durable diecast cylinder is held in place with an O-ring and is removable when the device is unlocked and open. The cylinder cannot be removed when the device is closed and locked.
DIMENSIONS This lock-out device can protect round doorknobs that have a max diameter of 2-7/8. Note that the shaft cut-out is oval/oblong in shape and measures 1-3/4 in. x 1-1/2 in., so it may fit loosely over some doorknobs with round, slender shafts.
APPLICATIONS This lock-out device is often used in evictions, rentals, home sales, on job sites, in-home, in-office storage knobs and more. It can be used in any situation where you want to prevent others with keys from unlocking the doorknob.
This knob lock-out device is used to prevent access to a standard door knob
The maximum outside diameter round door knob that can be protected with this lock-out device is 2-7/16 inches
Gray painted finish
Diecast construction
