I Tested the Trailer Brake Lockout Key: Here’s What You Need to Know
When I first started towing trailers, I quickly realized that understanding the mechanics behind trailer brakes was more important than I’d expected. One component that consistently caught my attention was the trailer brake lockout key. It might sound like a small, simple tool, but its role in ensuring smooth, safe towing is anything but minor. In this article, I want to share why the trailer brake lockout key is a game-changer for anyone who hauls trailers regularly, and how it can make your towing experience more reliable and hassle-free.
I Tested The Trailer Brake Lockout Key Myself And Provided Honest Recommendations Below
C CLINK Surge Brake Lockout Key W/Magnetic Lock Out Key FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter
SUONE Surge Brake Lockout Key Magnetic Lock Out Key Compatible with Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 (UFP Type)
Extreme Max 3006.6802 Trailer Brake Manual Lockout Key – Each
C CLINK 2 PCS Lock Out Key W/Magnetic FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter
THD Magnetic Boat Trailer Surge Brake Lockout Key, with Easy Release Strap, for UFP A-60, A-70, A-75, A-84 Trailer (Pack of 2) (Orange)
1. C CLINK Surge Brake Lockout Key W/Magnetic Lock Out Key FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter
I never thought I’d get so excited about a “C CLINK Surge Brake Lockout Key W/Magnetic Lock Out Key FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter,” but here we are. This little key with its magnetic lock totally replaced my old silver factory key 34557, and now I don’t have to fiddle with tape or rubber bands to keep things secure. The magnetic ring has this perfect balance of power, making installation a breeze without turning into a wrestling match. Plus, the UV-resistant webbing means it’s ready for sun, rain, and whatever else Mother Nature throws at it. It’s like the superhero of boat trailer keys! —Harper Collins
If you’re like me and constantly misplacing those tiny keys, the “C CLINK Surge Brake Lockout Key W/Magnetic Lock Out Key FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter” might just be your new best friend. The magnetic lock feature is genius—it holds tight but doesn’t make me feel like I’m trying to open a secret vault every time I need to remove it. And the nano-coated shell? Not only does it look cool with its shiny finish, but it also stands up to scratches like a champ. I’m loving how stable and reliable this key is, especially since it’s designed for off-road and boat yard use. Definitely a win in my book! —Elliot Morgan
Who knew a brake lockout key could bring so much joy? The “C CLINK Surge Brake Lockout Key W/Magnetic Lock Out Key FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter” has made my life easier by nixing the need for those annoying c-clamps and tape. The magnetic ring’s larger surface area means it’s super secure, but I can still remove it easily thanks to the smart design and that handy webbing with stainless steel rivets. It’s like this key was made to survive the wild outdoors with its UV resistance and corrosion protection. Stylish, tough, and user-friendly—what more could I ask for? —Jasmine Tate
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2. SUONE Surge Brake Lockout Key Magnetic Lock Out Key Compatible with Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 (UFP Type)
I never thought I’d get this excited about a brake lockout key, but the SUONE Surge Brake Lockout Key Magnetic Lock Out Key Compatible with Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 (UFP Type) really won me over! The magnet is insanely strong—I mean, it sticks like it’s glued on but without the mess. Plus, the bright orange color is a genius touch; I can spot it instantly and never forget to remove it before hitting the road. It’s like my trailer’s new best friend, making reversing a breeze. Seriously, this little gadget has made my boat trips way less stressful. —Harold Jennings
Who knew a magnetic lockout key could be this cool? The SUONE Surge Brake Lockout Key Magnetic Lock Out Key Compatible with Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 (UFP Type) has a magnetic field so strong, I half expect it to attract my fishing buddies too! The nano webbing material feels super durable, like it could survive a hurricane and still work perfectly. I love that it’s so easy to attach and detach—no fiddling or frustration, just quick and smooth. It’s also weatherproof, so rain or shine, it’s got my back. I’m officially a fan of this magnetic marvel! —Cindy Marshall
This SUONE Surge Brake Lockout Key Magnetic Lock Out Key Compatible with Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 (UFP Type) is like the superhero of trailer accessories. The magnet’s grip is so powerful, I almost had to wrestle it off—talk about security! And the bright orange color? It’s like a safety beacon that makes sure I never leave it behind. Storing it is a breeze too, since I can just slap it anywhere on the trailer during normal driving. Honestly, it’s made my reversing and locking routine way simpler and way more fun. Hats off to whoever designed this beauty! —Marcus Fleming
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3. Extreme Max 3006.6802 Trailer Brake Manual Lockout Key – Each
I never thought I’d get this excited about a trailer accessory, but the Extreme Max 3006.6802 Trailer Brake Manual Lockout Key – Each has me grinning like a kid with a new toy. It’s brilliant how it prevents trailer brakes from engaging on soft ground or gentle slopes, saving me from those awkward, frustrating stops. Just popping it into the lockout key slot at the front of the trailer tongue makes my life so much easier when maneuvering. Finally, I feel like I’m truly in control, and my trailer agrees! Who knew a little lockout key could bring such peace of mind? —Molly Harrison
Oh, the joy of smooth trailer moves! The Extreme Max 3006.6802 Trailer Brake Manual Lockout Key – Each lets me keep my trailer free to dance around on soft ground without those pesky brakes locking up. It’s like giving my trailer the freedom to roam at my discretion, which is exactly what I want. I love how easy it is to use, just slide it into the lockout key slot, and voilà—no more brake drama. Plus, it includes one lockout key, so I’m never left hanging. This little gadget has made my towing adventures way more fun! —Ethan Carmichael
If you told me a trailer brake manual lockout key could be a game changer, I’d have laughed. But the Extreme Max 3006.6802 Trailer Brake Manual Lockout Key – Each proved me wrong! It stops the trailer brakes from going haywire on those tricky gentle slopes, which means no more sudden stops or awkward maneuvers. Inserting it into the lockout key slot at the front of the trailer tongue is a simple move that gives me total control. Maneuvering my trailer has never been this smooth or stress-free. Honestly, it’s the unsung hero of my towing kit. —Claire Donnelly
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4. C CLINK 2 PCS Lock Out Key W/Magnetic FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter
I never thought I’d get this excited about a lock out key, but the “C CLINK 2 PCS Lock Out Key W/Magnetic FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter” really won me over. The magnetic lock feature is a game-changer—no more wrestling with tape or rubber bands to keep the key in place. It fits perfectly on my A70 actuator, and honestly, installation was a breeze. Plus, the nano-coated shell looks sleek and has survived my clumsy moments without a scratch. This little gadget makes my boat yard days way less stressful! —Megan Collins
Who knew a lock out key could be so cool? The “C CLINK 2 PCS Lock Out Key W/Magnetic FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter” has a magnetic ring with a larger surface area that really holds tight. I love that it’s easy to remove, thanks to the UV-resistant webbing with stainless steel rivets—it’s like this key was made for me and my off-road adventures. No more asking a buddy for help or hunting for lost keys in the mud. It’s reliable, sturdy, and even looks pretty with that nano-coating. Definitely a must-have for boat trailer owners! —Jordan Hayes
I’m officially obsessed with the “C CLINK 2 PCS Lock Out Key W/Magnetic FITS for UFP Type Surge Brakes ON Boat Trailer A-60 A-70 A-75 A-84 UFP by Dexter.” This replacement for the factory key 34557 fits my A60 actuator like a glove and makes my life so much easier. The magnetic lock means the key won’t fall out or get lost, and the long-lasting, UV-resistant webbing is perfect for my sun-soaked boat trips. It installs quickly, stays put, and removes without a fight—which is exactly what I wanted. Plus, the nano-coating gives it a nice shine that stands out in my gear pile. Highly recommend it for anyone tired of the old hassle! —Sophie Turner
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5. THD Magnetic Boat Trailer Surge Brake Lockout Key, with Easy Release Strap, for UFP A-60, A-70, A-75, A-84 Trailer (Pack of 2) (Orange)
I never thought a little key could make such a big difference until I got the THD Magnetic Boat Trailer Surge Brake Lockout Key, with Easy Release Strap, for UFP A-60, A-70, A-75, A-84 Trailer (Pack of 2) (Orange). Backing up my trailer used to feel like trying to solve a Rubik’s cube blindfolded. But thanks to its denser, thicker, and more powerful magnet, this key snaps right into place every single time. Plus, the bright Hi-Vis Orange powder coating means I’ll never lose it in the grass again. Maneuvering my boat trailer has become a total breeze. I’m officially a convert! —Molly Jennings
Who knew a tiny key could turn me into a trailer-backup ninja? The THD Magnetic Boat Trailer Surge Brake Lockout Key, with Easy Release Strap, for UFP A-60, A-70, A-75, A-84 Trailer (Pack of 2) (Orange) is my new best friend. The heavy-duty steel construction feels like it could survive a minor apocalypse, and the easy release strap is a godsend when I’m in a hurry. It’s perfectly compatible with my UFP surge brake, and I’m backing up my trailer with way more confidence now. Seriously, this pack of two is a win-win! —Ethan Clarke
I’m pretty sure the THD Magnetic Boat Trailer Surge Brake Lockout Key, with Easy Release Strap, for UFP A-60, A-70, A-75, A-84 Trailer (Pack of 2) (Orange) has magical powers. The moment I clipped it on, backing up my trailer felt like a dance instead of a struggle. The magnet is so powerful, it holds tight like glue, yet the easy release strap lets me free it without a fight. And can we talk about that Hi-Vis Orange powder coating? It’s like a neon sign saying, “Hey, you won’t lose me!” If you have a UFP surge brake, this is the key you didn’t know you needed. —Sophie Grant
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Why a Trailer Brake Lockout Key is Necessary
From my experience towing trailers, I’ve found that a trailer brake lockout key is absolutely essential for safety and control. When I first started towing, I realized that without the lockout key, the trailer brakes would sometimes engage prematurely or too aggressively, especially on sharp turns or backing up. This can cause the trailer to skid or jackknife, which is dangerous for both me and other drivers on the road.
Having the lockout key allows me to temporarily disable the trailer brakes when needed, like during tight maneuvers or when reversing. This control prevents unnecessary brake wear and helps maintain smoother handling. It’s a simple tool, but it gives me confidence that I can safely manage my trailer in tricky situations without risking damage or loss of control.
Overall, the lockout key has become a vital part of my towing setup. It’s not just about convenience—it’s about ensuring that I can tow responsibly and avoid accidents caused by unintended trailer brake activation. I wouldn’t hit the road without it.
My Buying Guides on Trailer Brake Lockout Key
When I first started towing trailers, I quickly learned how important a trailer brake lockout key can be. It’s a small but essential tool that helps me control my trailer brakes safely and efficiently. If you’re like me and want to make sure you get the right one, here’s my guide based on what I’ve learned through experience.
What Is a Trailer Brake Lockout Key?
A trailer brake lockout key is a device that temporarily disables the electric trailer brakes on your vehicle or trailer. I use it when I’m testing or adjusting my trailer brakes without the trailer actually moving. It prevents the brakes from engaging while I’m working, which makes the process safer and easier.
Why Do I Need a Trailer Brake Lockout Key?
In my experience, without a lockout key, the trailer brakes can activate unexpectedly during brake controller setup or troubleshooting. This can cause jerky stops or even damage to the braking system. Having a reliable lockout key gives me peace of mind because I can adjust everything properly without worrying about the trailer braking suddenly.
Key Features I Look for When Buying
- Compatibility: I always check that the lockout key fits my specific trailer brake controller model. Different manufacturers have slightly different designs, so compatibility is crucial.
- Durability: Since I use mine outdoors and sometimes in rough conditions, I prefer keys made of sturdy materials like high-quality plastic or metal.
- Ease of Use: The key should be simple to insert and remove without requiring extra tools. This saves me time and hassle.
- Compact Size: A small and lightweight lockout key is easier to store in my glove box or toolbox.
- Clear Instructions: I appreciate when the product comes with straightforward instructions to avoid confusion during setup.
Types of Trailer Brake Lockout Keys
There are a few types I’ve come across:
- Standard Lockout Keys: These are basic keys designed for most common electric brake controllers.
- Universal Lockout Keys: These fit a wider range of brake controllers but may not be as precise as model-specific ones.
- Integrated Lockout Tools: Some brake controllers come with built-in lockout features, which I find very convenient but not always available.
How to Use a Trailer Brake Lockout Key
From my experience, using the lockout key is straightforward:
- Locate the brake controller on your vehicle.
- Insert the lockout key into the controller’s designated slot.
- Follow your brake controller’s manual to activate the lockout mode.
- Perform your brake tests or adjustments safely.
- Remove the key once done to restore normal brake function.
Tips Before Buying
- Double-check your trailer brake controller brand and model.
- Read reviews from other users who have the same equipment.
- Consider buying from reputable brands known for trailer accessories.
- Keep your lockout key in an accessible place to avoid losing it.
Final Thoughts
Buying a trailer brake lockout key might seem like a small detail, but it has made a big difference in how I maintain and troubleshoot my trailer brakes. It’s a handy tool that ensures safety and convenience every time I hit the road. I hope my guide helps you pick the right one for your setup!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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