Top 10 Door Knob Cover Lock – Door Knobs

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1. Defender Security

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Defender Security S 4180 Doorknob Lock-Out Device – Doorknob Lock with Key to Block Access to Keyhole, Fits Round Doorknobs with Max Diameter of 2-7/8”, Removeable and Easy to Use

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Defender Security #ad - It can be used in any situation where you want to prevent others with keys from unlocking the doorknob. The maximum outside diameter round door knob that can be protected with this lock-out device is 2-7/16 inches. The cylinder cannot be removed when the device is closed and locked.

This knob lock-out device is used to prevent access to a standard door knob. Doorknob lock-out device – the defender security doorknob lock-out device can be placed directly over the doorknob to prevent access to the keyhole. X 1-1/2 in. So it may fit loosely over some doorknobs with round, slender shafts. Gray painted finish. 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.

Removable – the durable diecast cylinder is held in place with an O-ring and is removable when the device is unlocked and open. Diecast construction. Applications – this lock-out device is often used in evictions, home sales, in-home, on job sites, rentals, in-office storage knobs and more. 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.
BrandDefender Security #ad
ManufacturerPrime-Line Products #ad
Height8 Inches
Length2.31 Inches
Width6 Inches
Part NumberRNTLS-PN-732148271
ModelEP 4180

2. Major MFG

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Major A100 KEE-BLOK for Knobs

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Major MFG #ad - Double sided wafer tumbler lock. Ideal for hotel lockout. Easily move from door to door. Designed to block the key from Entering the Lock - KEE BLOK. Supplied Keyed Different.
BrandMajor MFG #ad
ManufacturerMajor Mfg #ad
Height5 Inches
Length5 Inches
Weight0.08 Pounds
Width3 Inches
Part NumberA100

3. PRIME-LINE

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Prime-Line S 4180 Door Knob Lock-Out Device – Prevents Turning of Door Knob and Access to Keyhole, Gray Diecast, Job Sites and More – Keyed Alike, Can be Used for Home Rentals, Evictions

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PRIME-LINE #ad - Note: all padlocks in the set are opened by the same key. The cylinder cannot be removed when device is closed and locked. Cylinder is held in place with an O-ring and is removable when device is open and unlocked.

Outside diameter. For use with keyholes in round door knobs of up to 2-7/16 in. 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. Prevents - this lock out device is designed to prevent turning of knob and access to keyhole. For rentals, rentals, home sales, evictions and more – this lockout device is often used in evictions, job sites and in-home or office storage.

Quick, lock and go! durable construction – with diecast construction and a gray painted finish, easy installation – installation is quick and easy – just place door knob lock-out device over the door knob, this lock-out device is built to last.
BrandPRIME-LINE #ad
ManufacturerPrime-Line Products (Home Improvement) #ad
Height8 Inches
Length2.31 Inches
Weight1.3 Pounds
Width6 Inches
Part NumberS 4180
ModelS 4180
WarrantyGoods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.

4. EUDEMON

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EUDEMON 6 Pack Baby Safety Door Knob Covers Door Knob Locks

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EUDEMON #ad - When you need to open the door, press the double buttons and turn the door knob easily. You may receive products both in old version and the new version, but the function is completely the same, please feel free to purchase. Please note that this product has been updated, with only a little difference in appearance, but no change in function.

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. Parents can use them safely on the door knobs. Eudemon baby safty door knob cover has pass Mechanical and Physical Properties testEN71.

Special design-special double button design with soft TPR material increased friction with the door knob. Safety & eco-friendly-made of eco-friendly pp and tpr material. Easy installation/removal-no adhesive, no harm to the door. Take off the door knob cover then set it on the door knob and close the two covers, no drill and tools need, the door knob is in lock. It can be easily removed by a screwdriver.
BrandEUDEMON #ad
ManufacturerNingbo Eudemon Child Protective Equipment Co., Ltd. #ad
Height2.91 Inches
Length6.69 Inches
Weight0.33 Pounds
Width6.3 Inches
Part NumberB9322-6
ModelB9322-6

5. Max Strength Pro

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Safety Locks & Guards Best for Childproofing Your Doors & Tables, Easy to Install, Get Protected Today!, Door Knob Covers 6pc & Corner Protectors 4pc Mega Bundle by Max Strength Pro

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Max Strength Pro #ad - Prevent those tiny hands from fiddling with door knobs and from opening unwanted doors like the basement or worse the front door, yikes! Safe. Installation: simply snap on the handle and you are all set, no tools required. Also included as bonus are 4 safety corner guards protecting your child from sharp table corners and edges.

Bundle: each set contains 6 door knob safety covers giving you ample pieces to protect multiple rooms & doors and even keep few as a back up. Premium. Unbeatable guarantee: we know you carry a lot on your shoulder and therefore we pay great attention in providing the best yet most affordable products for you. Ultimate. However if the product is not to your satisfaction simply contact us for a full refund, no questions asked! Compatible: works with 95% of door knobs, all common and standard styles.

Easy. Completely safe to use around the house. Put your feet up and relax. So much care and thought goes into our products that we are certain that you would love them. Protection: our premium door knob guards will prevent your child from opening & closing doors and from locking themselves in the room. The.
BrandMax Strength Pro #ad
ManufacturerMax Strength Pro #ad
Height2.91 Inches
Length7.99 Inches
Weight0.44 Pounds
Width5.59 Inches
Part NumberDKC001

6. AmazonBasics

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Oil Rubbed Bronze, AmazonBasics Bedroom/Bathroom Door Knob With Lock, Coastal

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AmazonBasics #ad - Detailed installation instructions included. Includes rounded steel faceplate and strike and zinc alloy latch bolt. Backed by an AmazonBasics 1-year limited warranty. Adjustable latch from 2-3/8 - 2-3/4 inches 60-70mm. Brass body; steel internal structure.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height2.62 Inches
Length6.26 Inches
Weight0.83 Pounds
Width2.13 Inches
Part NumberAB-DH522-OR
ModelN/A

7. Door Monkey

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Baby Proof Door Lock For Bedrooms, Easy, DOOR MONKEY Door Lock & Pinch Guard, Great For Dogs & Cats, Bathrooms & Kitchens, Safety Door Lock For Kids, Very Portable, Convenient & Simple To Install

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Door Monkey #ad - Versatile design: the door monkey is not only an incredibly effective door lock, it also doubles as a pinch guard. The door monkey simply clamps to the edge of your door in seconds and works with any style of door lever or door knob.

The door monkey works with standard 1-⅜” thick interior doors and standard rectangular door stop moulding. No accidental lock-ins: the door Monkey is operable from both sides of the door so there is no chance of your child locking you in a room. No tools or tape required: our unique design allows the Door Monkey to be installed in seconds without the need for tools, tape or hardware.

The door is always secured in a partially cracked position, helping to prevent painful pinch injuries. No tape means no damage to your door’s finish. Installation requirements: please review the installation requirement images below. Works with all levers and knobs: please review the installation requirement images below.
BrandDoor Monkey #ad
ManufacturerJordacon Enterprises LLC #ad
Height7.25 Inches
Length1 Inches
Weight0.03 Pounds
Width2.25 Inches
Part NumberDM1PKRTC
ModelDM1PKRTC

8. PRIME-LINE

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Prime-Line MP4180 Door Knob Lock-Out Device

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PRIME-LINE #ad - Diecast construction. This lock-out device is used to block access to the keyholes in door knobs of up to 2-7/16 in. Outside diameter of round door knobs. This knob lock-out device is used to prevent access to the keyhole on door knobs. Gray painted finish. Mounts over knob.
BrandPRIME-LINE #ad
ManufacturerPrime-Line #ad
Height2.31 Inches
Length6 Inches
Weight0.56 Pounds
Width5 Inches
Part NumberMP4180
ModelMP4180

9. Tuut

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Door Lever Lock 2 Pack Child Proof Doors & Handles 3M Adhesive, Child Safety By Tuut

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Tuut #ad - Simple, unobtrusive design that blends into your room design. Compatible with standard door lever handles. Us patent No. New patented technology: no more children locking you in a room. The only way to lock and unlock the lever lock is by pressing the buttons! Deter children from opening doors with a Door Lever Lock. Easy installation: peel the damage-free 3M adhesive and place the lever lock on the door. 10, 221, 587. Exclusive lifetime guarantee: if at any time you’re not 100% satisfied, Tuut will offer a full refund on your purchase of child safety door lever lock! .
BrandTuut #ad
ManufacturerTuut #ad
Weight0.06 Pounds
Part NumberTT-DLL-102
ModelTT-DLL-102
WarrantyExclusive Lifetime Money-Back Guarantee: If at any given point you’re not 100% satisfied, we’ll offer you a prompt and full refund!

10. Wappa Baby

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No Tools Needed, Improved Childproof Door Lever Lock 3 Pack Prevents Toddlers from Opening Doors. Easy One Hand Operation for Adults. Durable ABS with 3M Adhesive Backing. Simple Install

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Wappa Baby #ad - Simply stick to your door with the included 3m adhesive backing. Holds strong with a very sturdy grip. Many people are stocking up with 3 or 4 of these to place around their home for highly effective baby and toddler proofing.

The attractive white color goes well with all decor. Ultimate door lever lock most children can't open! our lock requires an adult to press buttons on BOTH sides of the lock to open and close. No tools needed. It makes a fine baby shower gift, holiday present, birthday gift, or anniversary gift for the loving parent in your life. Similar products can be easily defeated by little ones. Simply press the release button on both sides and swing the lever up.

Both men and women can effortlessly open and close the lock with just one hand. This has a sturdy hinge mechanism that flows smoothly while resisting damage or breaks. Takes just seconds to install. Easy one hand operation. Rugged abs construction makes this lock a durable safety accessory. Comes with complete easy installation instructions including full color photos.
BrandWappa Baby #ad
ManufacturerWappa #ad
Part Number3