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5 Best Locking Devices of 2025

Last Updated - 2025/09/03

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic

OBD2 OBD OBDII Port Security Anti-Theft Lock Locking Device

Generic

CA$48.82

More Details
Main highlights
- SUPPORTED VEHICLES: All 1996 and newer vehicles with OBD II port
- STRONG: Made with PETG plastic for high strength to prevent breaking of lock and thermal deformation.
- STOP CAR THEFT: Add a layer of car security by locking your OBD port. The common method by thieves is use the ODB port to reprogram a blank key in less than 1 minute.
- KIT INCLUDES: ODB DEFENDER Lock, 2 Security Keys, and instructions
- EASY INSTALLATION: Just plug in and turn key
- CANADIAN SMALL BUSINESS: Designed/Engineered/Manufactured in Canada, and tariff free.
- BENEFITS of “The Original OBD Defender”: *Extra secure with a CamLock Radial pin tumbler mechanism. Attack resistant from pick tools, tin tools, anti-drilling. *A secure lock without screws. *Solid material, no empty voids, will not deform in hot vehicles. *Two keys included *Advanced design for improved manufacturability passing savings to you. *No assembly required
CA$48.82
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Prime-Line

Prime-Line Products S 4180 Knob Lock-Out Device, Gray Painted Diecast

Prime-Line

CA$40.36

More Details
Main highlights
- Prevents knob from turning
- Keyed alike
- Gray finish.Accepts most knobs that are up to 2-7/16 in. outside diameter
- Diecast construction
CA$40.36
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic

OBD Port Security Anti-Theft Lock Locking Device

Generic

CA$28.82

More Details
Main highlights
- This device reduces the possibility anyone accessing the vehicles computer.
- The common method by thieves is use the ODB port to reprogram a blank key in less than 1 minute.
- Supported Vehicles: all 1996 and newer vehicles with OBD II port
- Security/Tamper-proof Torx Screw prevents removal of lock without correctly sized Torx Screwdriver Bit.
- Made with PETG plastic for added strength to prevent breaking of lock.
- Kit includes: ODB Main Block, OBD Locking Tab, 1 Security/Tamper-proof Torx screw, and 2 Torx screwdriver bit with handle
- Installation in minutes: 1. Slide on the ODB Main Block all the way down on your OBD port connector 2. Attach the OBD Locking Tab onto the OBD Main Block 3. Screw the Security/Tamper-proof Torx screw into the OBD locking tab with the provided Torx screwdriver bit
- If access is required to OBD connector the device can be removed in quickly using the supplied tool.
- Canadian Small Business: Designed/Made in Canada.
- Benefits of “The Original OBD Guard”: *“The Original OBD Guard”, design copied by others, but not the engineering and quality. *Friction fit screw thread: with not come undone from thief hacking at it with screwdriver tip, car vibrations, or thermal expansion. *Solid material, no empty voids, will not deform in hot vehicles. *Two security keys included This custom engineered unit is designed to lock on to the OBD 2 connector of your vehicle, to thwart thieves from starting your car thru the ODB port.
CA$28.82
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MIMIRACLE

Door Stoppers Security - Portable Door Lock for Travel Anti Theft Door Blocker, Hotel Room Apartment Safety - No Drill Garage Door Brace Devices for Women, Children - Sleep with Peace of Mind

MIMIRACLE

CA$25.99

More Details
Main highlights
- Superior Resistance: Featuring a high-strength metal structure, this door blocker is integrally formed, utilizing physical principles to guide thrust securely to the ground. Experience unparalleled door support and enhanced security.
- Portable & Versatile: Compact and exquisitely designed, our door brace is easy to carry. Suitable for most inward-opening doors with a gap height ranging from 0.2 to 2 inches, making it versatile for various settings.
- Increased sense of security: Live alone and feel insecure at night? The child is at home alone, worrying about the child’s safety? Are you on a business trip and worry about security while sleeping? With this portable door lock, you no longer have to worry about being broken in while sleeping. It’s like you hired a personal bodyguard.
- Heavy Duty: Crafted from high-quality zinc alloy, our door stopper boasts exceptional hardness, high tensile strength, and durability. It offers robust protection, ensuring your safety and security.
- Harmless Installation: Install in seconds and disassemble effortlessly. The door barricade's contact surface with the door is lined with soft sponge, while the contact surface with the floor is made of plastic, ensuring zero scratches on doors and floors.
CA$25.99
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Gemaxvoled

Lockable Box, Medicine Lock Box for Safe Medication, Premium Material Lockable Storage Box Locking Organizer Bin for Fridge Food/Snacks/Phone/Tablet Jail/Home Safety

Gemaxvoled

CA$36.99

More Details
Main highlights
- 💛Wide Application-The lockable box could be used as a MEDICATION LOCK BOX keep medicine and pills secure; as a FOOD REFRIGERATOR STORAGE BIN for treats snacks and candy effectively increase self-control; as a PHONE TABLET JAIL BOX for electronics or digital devices to cut down the screen time; as a SAFE LOCKER STORAGE BOX for scissor or alcohol would keep children away from potentially dangerous drugs or chemicals.
- 💛Premium Material BPA-free- Built with sturdy and thick BPA-free plastic materials and strong construction means you can safely put your food or medicine in this clear lock box for safe medication storage, keep your items neat and tidy
- 💛Large Capacity and Stackable- This 12.6L lockable box is large enough to store stuffs that need to be safely lock, while small enough to put in your refrigerator and cupboard. And it can be stacked perfectly to one another to save space and stay organized.
- 💛Easy and Convenient to Use- The medicine lock box is secured with a 3 digit combination code without carrying the keys. *Please don’t use this locking box to store valuables things, great for keeping non valuables safe.*Please remember your password, once you forget it, you will not be able to open the box. *Please don’t use this locking box to store valuables things, great for keeping non valuables safe.
- 💛Clear with Air Holes/Charger Holes - Our clear locking box allows you to find any stored items instantaneously from any angle. It has 4 holes around the sides making it breathable. Besides, you could charge your phone or any electronic devices via the holes and keep Wi-Fi on when you lock them up.
CA$36.99

5 Best Locking Devices of 2025

OBD2 OBD OBDII Port Security Anti-Theft Lock Locking Device

Prime-Line Products S 4180 Knob Lock-Out Device, Gray Painted Diecast

OBD Port Security Anti-Theft Lock Locking Device

Door Stoppers Security - Portable Door Lock for Travel Anti Theft Door Blocker, Hotel Room Apartment Safety - No Drill Garage Door Brace Devices for Women, Children - Sleep with Peace of Mind

Lockable Box, Medicine Lock Box for Safe Medication, Premium Material Lockable Storage Box Locking Organizer Bin for Fridge Food/Snacks/Phone/Tablet Jail/Home Safety

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