Want the best dogbone style locks to secure your trailer hitch?
We share real user reviews to help you find top picks and see how they perform in everyday towing.
Dogbone style locks keep your trailer hitch safe. Users love how they snap shut fast. One driver said it saved his bike rack from theft.
Our guide picks the best dogbone locks. We test real product reviews for trust.
Read on to learn top picks. See how they fit your towing setup. Protect your gear now.
List of Top 10 Dogbone Style Locks
| Image | Title | Best For | Price |
|---|---|---|---|
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CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV |
This trailer hitch receiver lock is perfect for RV owners, truck drivers, boat enthusiasts, and anyone who tows trailers or carries bike racks. It helps keep your valuable gear safe from theft with its strong steel design and easy locking system. |
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Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome |
This trailer hitch lock is perfect for truck owners who tow trailers and want to keep their equipment safe from thieves. It fits most Class 5 receivers and uses a smart locking system to stop theft. |
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Reese Towpower 7030300 Professional 5/8″ Chrome DogBone Style Receiver Lock |
This Reese Towpower lock is perfect for anyone who wants to protect their belongings. It’s great for people who need a strong and secure way to keep things safe. |
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Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish |
This trailer hitch lock is perfect for truck owners, campers, and anyone who tows trailers to stop theft of their hitch setup. It fits closely and provides strong security with an easy clip-on design. |
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Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in. |
This Bulldog stainless steel dogbone receiver lock is perfect for truck owners who tow heavy trailers and need top security for their Class V hitches. If you have a setup over 2-1/2 inches wide, it gives you peace of mind against theft. |
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Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8” Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2 |
This Hi-Gear hitch lock is perfect for anyone who wants to keep their trailer safe. It’s great for truck owners who need strong protection. |
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Tow Ready 63250 Dogbone Style Combo Lock Set |
The Tow Ready 63250 Dogbone Style Combo Lock Set is perfect for anyone who wants a secure and easy-to-use lock for their trailer or towing equipment. It works well for those who need a reliable lock that can fit most straight tongue couplers and want to avoid carrying multiple keys. Whether you’re a car owner, trailer user, or professional needing simple security, this lock set is a smart choice. |
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Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel |
This lock is perfect for heavy-duty truck owners and RV enthusiasts who tow valuable trailers. It fits wide Class V hitches and stops thieves from stealing your setup. |
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bROK Products 32998 5/8″ DogBone Lock, Black Nickel, Class I-IV |
The bROK 32998 5/8 inch DogBone Lock is perfect for people with a hitch ball mount. It fits 1-1/4 inch and 2 inch receivers, uses a sleeved shank to convert a 1/2 inch pin to 5/8 inch, and has a rubber key slot cover with a black nickel finish. |
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bROK Products 32996 5/8″ Dogbone Lock, 3 1/2″ Span, Class I-V |
This dogbone lock is perfect for truck drivers who tow big trailers and need a strong lock to keep their ball mount safe. It fits Class I-V setups and works fast with a push-to-lock design for quick and easy use every time. |
Detailed Reviews
We picked the top 10 Dogbone Style Locks based on expert views and user likes. Each one gets a full check for features, how it works, and its value. You will find the best pick for your needs, like strong hold or low cost. Check out the details now to secure your trailer right.
1. CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV

Protect your hitch with ease. This 5/8 inch bent pin locks tight. Fits Class III and IV 2–2.5 inch receivers.
Easy to use. A one-quarter turn opens the lock and the pin pops up.
It’s built from solid steel. A dust cap keeps water and dirt out. It works with many setups and comes with a 12-month warranty.
| Pros | Cons |
|---|---|
|
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Perfect For:
This trailer hitch receiver lock is perfect for RV owners, truck drivers, boat enthusiasts, and anyone who tows trailers or carries bike racks. It helps keep your valuable gear safe from theft with its strong steel design and easy locking system.
Ready to Purchase?
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2. Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome

Keep your trailer safe with this strong lock. It is made by REESE Towpower. This lock is designed to stop thieves.
The ball bearing system is a great feature. It will stop theft, even if the lock is broken. This lock fits most 2-1/2 inch square receivers.
It comes with a rubber cap and two keys. This keeps the lock clean and easy to use.
| Pros | Cons |
|---|---|
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Perfect For:
This trailer hitch lock is perfect for truck owners who tow trailers and want to keep their equipment safe from thieves. It fits most Class 5 receivers and uses a smart locking system to stop theft.
Ready to Purchase?
3. Reese Towpower 7030300 Professional 5/8″ Chrome DogBone Style Receiver Lock

Protect your trailer with the Reese Towpower lock. This lock is made of strong steel. It’s easy to use.
The chrome-plated steel fights off weather. The special key helps stop theft.
The ball bearing design makes it hard to break. Get this lock for peace of mind.
| Pros | Cons |
|---|---|
|
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Perfect For:
This Reese Towpower lock is perfect for anyone who wants to protect their belongings. It’s great for people who need a strong and secure way to keep things safe.
Ready to Purchase?
4. Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish

Keep your trailer secure with the Reese Tactical 7092330 Class 5 Trailer Hitch Lock. It features a barrel design with a simple push button lock. This makes locking and unlocking quick and easy.
The lock has knurled grips for a comfortable grip. It fits 2-1/2-inch square receiver hitches and works with Class 5 ball mounts. Its steel construction is strong and durable, with a sleek pewter finish. A rubber cap helps keep the tumblers clean.
It comes with two keys for your convenience. The 3-1/2-inch span fits most receivers. It’s a simple, reliable way to protect your trailer. Stay confident knowing your trailer is locked and safe.
| Pros | Cons |
|---|---|
|
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Perfect For:
This trailer hitch lock is perfect for truck owners, campers, and anyone who tows trailers to stop theft of their hitch setup. It fits closely and provides strong security with an easy clip-on design.
Ready to Purchase?
5. Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in.

The Bulldog Stainless Steel Dogbone Receiver Lock is tough and secure for your trailer hitch. It fights theft with a patented locking system that keeps shafts strong. This lock fits heavy-duty hitches, making towing safer and easier.
It has a ball bearing lock that stays put even if bothered. Grab this high-security lock with its square key and dust cap for top protection.
| Pros | Cons |
|---|---|
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Perfect For:
This Bulldog stainless steel dogbone receiver lock is perfect for truck owners who tow heavy trailers and need top security for their Class V hitches. If you have a setup over 2-1/2 inches wide, it gives you peace of mind against theft.
Ready to Purchase?
6. Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8” Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2

Keep your trailer safe with the Hi-Gear Universal Dogbone Style Trailer Hitch Lock. This lock is a great way to protect your stuff.
It’s made of strong steel. The lock comes with two keys. You also get a hitch cover.
This lock fits Class III & IV hitches. Get a package of two for extra security.
| Pros | Cons |
|---|---|
|
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Perfect For:
This Hi-Gear hitch lock is perfect for anyone who wants to keep their trailer safe. It’s great for truck owners who need strong protection.
Ready to Purchase?
7. Tow Ready 63250 Dogbone Style Combo Lock Set

The Tow Ready 63250 Dogbone Style Combo Lock Set is simple. It has a 1/2 inch dogbone pin and a 5/8 inch bent pin with an interchangeable barrel lock.
It comes with two keys.
It is keyed-alike dogbone coupler locks. They fit most straight tongue style couplers.
They fit most straight tongue style couplers.
The Easy Access model has a side key entry. The lock rotates 360 degrees and the warranty is limited to 1 year.
| Pros | Cons |
|---|---|
|
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Perfect For:
The Tow Ready 63250 Dogbone Style Combo Lock Set is perfect for anyone who wants a secure and easy-to-use lock for their trailer or towing equipment. It works well for those who need a reliable lock that can fit most straight tongue couplers and want to avoid carrying multiple keys. Whether you’re a car owner, trailer user, or professional needing simple security, this lock set is a smart choice.
Ready to Purchase?
8. Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel

Draw-Tite 580412 locks the hitch. It has a strong lock with no weak spots. It fits 2-1/2 inch square receivers.
It has a ball bearing lock system. Its dual self-locking design snaps shut automatically.
| Pros | Cons |
|---|---|
|
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Perfect For:
This lock is perfect for heavy-duty truck owners and RV enthusiasts who tow valuable trailers. It fits wide Class V hitches and stops thieves from stealing your setup.
Ready to Purchase?
9. bROK Products 32998 5/8″ DogBone Lock, Black Nickel, Class I-IV

Keep your ball mount safe and snug with the bROK Products 32998 5/8″ DogBone Lock. This black nickel lock fits 1-1/4 inch and 2 inch receivers perfectly.
The rubber key slot cover blocks dirt and trash from harming the lock. A sleeved shank changes a 1/2 inch pin into a 5/8 inch pin for easy use. It works great for towing and is built strong.
| Pros | Cons |
|---|---|
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Perfect For:
The bROK 32998 5/8 inch DogBone Lock is perfect for people with a hitch ball mount. It fits 1-1/4 inch and 2 inch receivers, uses a sleeved shank to convert a 1/2 inch pin to 5/8 inch, and has a rubber key slot cover with a black nickel finish.
Ready to Purchase?
10. bROK Products 32996 5/8″ Dogbone Lock, 3 1/2″ Span, Class I-V

This dogbone lock grips your ball mount tight in the receiver. It uses a push-to-lock action for fast security. A rubber cover keeps dirt out of the key slot.
The long shank fits wide receivers up to two and a half inches. It works in Class I-V setups with a 5/8-inch pin hole.
| Pros | Cons |
|---|---|
|
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Perfect For:
This dogbone lock is perfect for truck drivers who tow big trailers and need a strong lock to keep their ball mount safe. It fits Class I-V setups and works fast with a push-to-lock design for quick and easy use every time.
Ready to Purchase?
Buying Guide
Dogbone style locks keep your trailer hitch safe from thieves. They snap shut fast for quick protection. Users often share how these locks save their bikes and racks.
Many users love dogbone locks for their trust. One driver said it saved his bike rack from theft. Another driver praised how easy the ball bearing system stops crooks.
- Compatibility: Check if the lock fits your receiver size, like 2 or 2-1/2 inches. Match it to Class III or IV hitches for towing setups. This ensures your gear stays secure when towing trailers or boats.
- Material: Pick locks made of solid steel for toughness. Chrome or nickel finishes fight rust from weather. Strong materials last long during rough trips.
- Security Features: Look for ball bearing locks that snap tight and stop theft, even if broken. Extra locks like dual self-locking add layers of safety. Keys or covers keep dirt out and boost trust.
- Ease of Use: Choose locks with one-quarter turns or push buttons for fast locking. Two keys make sharing easy with family or friends. Simple designs save time when hooking up trailers.
- Durability: Select locks with dust caps to block mud and water. Steel builds fight wear from towing bikes or boats. Proven brands offer peace of mind for long journeys.
- Warranty: Find locks with at least a 1-year warranty for fixes. Reliable brands stand behind their quality. This covers breaks from normal use.
- Price: Compare costs to match your budget for good value. Packages with two locks save money for extra security. Affordable options start at low prices without skimping on safety.
- Size and Fit: Note the pin diameter, like 5/8 inch, for proper fit. 3-1/2 inch spans work with wide receivers. Correct size stops wobble during towing.
- Additional Accessories: See if the lock includes hitch covers or extra pins. Rubber caps protect the lock from the elements. These extras add convenience for daily use.