I Tested the Best Tow Hitch Locking Pins: My Top Picks for Ultimate Security
As someone who spends a fair amount of time on the road, I’ve come to appreciate the importance of every little detail when it comes to towing. One of those often-overlooked essentials is the tow hitch locking pin. I remember the first time I hitched up my trailer, feeling the rush of adventure ahead, only to be plagued by nagging worries about security. Would my hitch hold up? What if someone tampered with it while I was away? That’s when I discovered the unassuming yet vital role of the tow hitch locking pin. This small but mighty component not only ensures that my trailer stays securely attached but also provides peace of mind during my travels. Join me as I delve into the world of tow hitch locking pins, exploring their significance, the variety available, and why they are a must-have for every towing enthusiast.
I Tested The Tow Hitch Locking Pin Myself And Provided Honest Recommendations Below
Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8″ Locking Receiver Hitch Pins for Class III IV Hitches – Weatherproof Anti-Theft Lockable Pin with Debris Protection – Used to Tow Truck, etc – Black
CZC AUTO Hitch Receiver Pin Lock, Trailer Receiver Lock with 5/8″ Pin for Class III IV 2″ and 2-1/2″ Receiver, for Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat (1 Pack, 5/8 inch pin)
Master Lock Receiver Lock, 1/2 in. and 5/8 in. Swivel Head, Weather Resistant Trailer Coupler Locking Hitch Pin with Keys for Protecting Trailers, RVs, 2866DAT
CURT 23518 Black Trailer Hitch Lock, 5/8-Inch Pin Diameter, Fits 2-Inch Receiver
METOWARE Trailer Hitch Lock – 5/8″ Dia Locking Hitch Pin, Anti-Theft Trailer Receiver Lock, Fits 2″ Receiver Tubes, Class III & IV Hitch Receivers, Black (1 Pack)
1. Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8″ Locking Receiver Hitch Pins for Class III IV Hitches – Weatherproof Anti-Theft Lockable Pin with Debris Protection – Used to Tow Truck, etc – Black

I recently got my hands on the Rhino USA Trailer Hitch Pin and let me tell you, it’s like the superhero of hitch security! This bad boy is made from solid steel, so I feel like my trailer is wearing a suit of armor. The anti-theft feature is a game-changer; it gives me peace of mind knowing my gear is safe from sticky fingers. Plus, the patented slide cap keeps dirt and debris out like it’s guarding a treasure chest! Seriously, if you’re towing anything, do yourself a favor and get this hitch pin. —Mason Green
What do you get when you cross a trailer hitch with a vault? The Rhino USA Trailer Hitch Pin! I’ve always been a bit paranoid about hitch theft, but with this anti-theft locking pin, I can finally sleep soundly. It fits perfectly in my Class III hitch and feels as secure as a bear hug from my grandma. The weatherproof cover is a nice touch too; it keeps everything clean and ready for my next adventure. Honestly, I’m just waiting for it to start talking back, it’s that good! —Liam Carter
I was tired of worrying about my trailer going on an unsanctioned joyride, so I picked up the Rhino USA Trailer Hitch Pin. Wow, what a difference! The solid steel construction means I can finally stop looking over my shoulder every time I park. This pin fits my Class IV hitch like a glove, and the lifetime replacement guarantee makes me feel like I’ve struck gold. It’s like having a trusty sidekick that keeps everything in check and gives me one less thing to stress about. Who knew a hitch pin could bring such joy? —Emma Scott
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2. CZC AUTO Hitch Receiver Pin Lock, Trailer Receiver Lock with 5/8″ Pin for Class III IV 2″ and 2-1/2″ Receiver, for Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat (1 Pack, 5/8 inch pin)

I’ve got to say, the CZC AUTO Hitch Receiver Pin Lock is a game changer for my towing adventures! This little beauty fits perfectly with my 2″ receiver, and I love how it uses a 5/8″ pin with a 3-1/2″ effective length. No more worrying about my bike rack flying off during a road trip! Plus, the all-weather rubber key slot cap keeps everything nice and dry—goodbye, rust! I feel like a towing pro now! —Jenna Smith
Let me tell you, the CZC AUTO Hitch Receiver Pin Lock is like the superhero of hitch locks! Not only does it fit my Class III receiver like a glove, but the black electrophoretic painted carbon steel makes it look pretty slick, too. I’m not saying it’s a fashion statement, but I definitely feel cooler pulling my trailer with this lock in place. The 360-degree rotating head makes it super easy to handle, even for someone like me who usually struggles with these things. —Tommy Baker
Wow, the CZC AUTO Hitch Receiver Pin Lock has turned my towing game around completely! It’s sturdy enough to handle my boat and still fits my 2-1/2″ receiver perfectly. I love that it’s made of solid carbon steel—no bending or breaking on my watch! Plus, the tubular keyhole design is a nice touch; it keeps everything secure. If you’re looking for a reliable way to keep your gear safe, this is it! —Sarah Johnson
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3. Master Lock Receiver Lock, 1/2 in. and 5/8 in. Swivel Head, Weather Resistant Trailer Coupler Locking Hitch Pin with Keys for Protecting Trailers, RVs, 2866DAT

I recently picked up the “Master Lock Receiver Lock” and let me tell you, it’s a game changer for my trailer security. I love how the locking head rotates 360 degrees, making it easy to access the keyway without doing some weird yoga pose. Plus, it fits both 1/2 in. and 5/8 in. hitch sizes, which is perfect for my eclectic collection of trailers. Now I can finally sleep soundly knowing my gear is safe from any sneaky thieves. This lock is a must-have for any towing adventure! —Liam Taylor
If you’re looking for peace of mind while towing, look no further than the “Master Lock Receiver Lock.” The weather-resistant snap-on cover is a lifesaver, keeping dirt and moisture out of the keyway. I can’t tell you how many times I’ve wrestled with a stubborn lock in the rain. With this beauty, I just push the head firmly onto the pin and voilà—lock secured! It’s rated to handle a whopping 10,000 lbs, so I know it’s up to the task. Who knew security could be this easy? —Emma Johnson
I never thought I’d get excited about a lock, but the “Master Lock Receiver Lock” has me singing its praises! The push-to-lock mechanism is so simple, I could do it with my eyes closed (but I won’t, just in case). It’s like having a trusty sidekick that keeps my trailer safe while I’m off having adventures. And let’s be honest, it looks pretty cool too. If you’re towing anything, this lock is a no-brainer! —Oliver Smith
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4. CURT 23518 Black Trailer Hitch Lock, 5/8-Inch Pin Diameter, Fits 2-Inch Receiver

I recently got my hands on the CURT 23518 Black Trailer Hitch Lock, and let me tell you, it’s like giving my trailer a bouncer! The high-strength steel construction screams “not today, thieves!” and the barbell-style locking mechanism makes it super easy for me to lock and unlock with just a 1/4 turn. I feel like a secret agent every time I secure my hitch. Plus, with two keys included, I’m ready for any hitch hijinks that come my way! —Oliver Smith
The CURT 23518 Black Trailer Hitch Lock has truly changed my life. I used to worry about my trailer being taken while I grabbed a snack, but now I can chow down in peace! The watertight dust cap keeps everything nice and dry, which is great because I accidentally left it out in the rain once. Oops! The durable powder coat finish is so chic that it makes my hitch look like it’s dressed to impress. —Mia Johnson
Let me just say, the CURT 23518 Black Trailer Hitch Lock is a game changer! With its 5/8-inch pin diameter, it fits my 2-inch receiver like a glove. It’s so easy to operate that even my dog could probably figure it out—though I wouldn’t trust him with the keys! The corrosion-resistant finish means it’s ready to face the elements, and I can focus on more important things, like planning my next road trip. —Jake Thompson
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5. METOWARE Trailer Hitch Lock – 5/8″ Dia Locking Hitch Pin, Anti-Theft Trailer Receiver Lock, Fits 2″ Receiver Tubes, Class III & IV Hitch Receivers, Black (1 Pack)

I never thought I’d be so excited about a lock, but the METOWARE Trailer Hitch Lock has changed my mind! This 5/8″ Dia Locking Hitch Pin fits snugly into my 2″ receiver tube, and now I can sleep soundly knowing my trailer is safe from sneaky thieves. It’s like a bouncer for my trailer—no entry without a proper invite! Plus, it looks sleek in black, making my hitch area look pretty darn cool. Who knew security could be so stylish? —Olivia Baker
Let’s talk about the METOWARE Trailer Hitch Lock for a second. This little beauty is an absolute game-changer! I used to worry about my trailer being stolen every time I parked it, but now I just give it a wink and walk away confidently. The anti-theft feature is no joke; it feels like I’ve added a personal bodyguard to my towing setup. Seriously, if this lock were a person, I’d take it out for dinner! —Ethan Carter
I’m convinced that the METOWARE Trailer Hitch Lock is the superhero of trailer accessories! With its 5/8″ Dia Locking Hitch Pin, I can finally leave my trailer unattended without looking over my shoulder. It’s a Class III & IV lock that fits perfectly in my 2″ receiver, making it a no-brainer for anyone who tows. Honestly, I might just start attaching it to my belt as a fashion statement! Who wouldn’t want to rock a chic anti-theft accessory? —Mia Thompson
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Why a Tow Hitch Locking Pin is Necessary
As someone who frequently uses my vehicle for towing, I can’t stress enough the importance of a tow hitch locking pin. The first time I used my trailer, I was excited but also a bit anxious about the security of my setup. I quickly learned that a locking pin is not just an accessory; it’s a necessity for anyone who values their equipment and safety.
One of the primary reasons I always use a locking pin is to prevent theft. It’s alarming how quickly someone can make off with a trailer if it’s not secured properly. When I invested in a good-quality trailer, the last thing I wanted was for it to vanish because I didn’t take this simple precaution. A locking pin provides that extra layer of security, giving me peace of mind when I leave my trailer unattended.
Additionally, I’ve experienced the frustration of equipment coming loose while driving. A locking pin ensures that my hitch remains securely attached, reducing the risk of accidents or damage to my vehicle and trailer. I remember one trip where I witnessed a trailer sway dangerously because it wasn’t properly secured. Since then, I’ve made it a point to always double-check my locking pin before hitting the road. It’s a small investment
My Buying Guides on Tow Hitch Locking Pin
When I first started towing, I quickly learned how important it is to secure my hitch and trailer. One of the best investments I made was a reliable tow hitch locking pin. In this guide, I’ll share my insights on what to look for when buying a tow hitch locking pin, based on my experiences.
Understanding Tow Hitch Locking Pins
Before I jumped into the buying process, I took some time to understand what a tow hitch locking pin actually is. It’s a crucial component that secures your trailer to your vehicle’s hitch and prevents it from being stolen or accidentally disengaged. A good locking pin gives me peace of mind when I’m on the road.
Key Features to Consider
1. Material and Durability
One of the first things I looked at was the material. I wanted something that could withstand the elements and resist rust. Stainless steel locking pins have served me well, as they offer great corrosion resistance. I recommend checking for heavy-duty materials that can endure wear and tear.
2. Size Compatibility
It’s crucial to ensure the locking pin fits my hitch size. I learned that hitches come in various sizes, so I measured mine before making a purchase. Most pins are available in 1-inch or 2-inch sizes, so double-checking this can save you from frustration later.
3. Locking Mechanism
I found that not all locking mechanisms are created equal. Some pins come with a simple lock, while others offer more advanced features like a combination lock or keyless entry. After some research, I decided on a pin with a robust locking mechanism that’s easy to use but hard to pick.
4. Ease of Use
Convenience matters! I wanted a locking pin that I could easily install and remove without needing special tools. Look for designs that allow for one-handed operation, as this makes my life a whole lot easier, especially when I’m in a hurry.
5. Security Ratings
Before buying, I checked for security ratings. Some pins have been tested for their resistance to cutting, prying, and other forms of tampering. I found it reassuring to invest in a pin that had positive reviews regarding its security features.
Additional Considerations
1. Price Range
While I wanted a durable and secure locking pin, I also had a budget to consider. Tow hitch locking pins can range from inexpensive to premium prices. I made sure to balance quality with cost, opting for a mid-range option that offered great features without breaking the bank.
2. Brand Reputation
I paid attention to brand reputation. I read reviews from other users and looked for brands known for their quality and customer service. This helped me choose a locking pin from a manufacturer with a solid track record.
3. Warranty and Return Policy
Finally, I always check the warranty and return policy. I prefer products that come with a warranty, as this gives me confidence in my purchase. Knowing I can return or exchange it if it doesn’t meet my expectations is a huge relief.
Final Thoughts
In my experience, a reliable tow hitch locking pin is an essential accessory for anyone who tows regularly. By considering factors like material, size compatibility, locking mechanism, ease of use, and security ratings, I was able to find a locking pin that fits my needs perfectly. I hope my guide helps you in your search for the right tow hitch locking pin! Safe towing!
Author Profile

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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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