Trailer Ball Hitch Lock Security Coupling - Yellow

Professional hitch lock for commercial or occasional use. This universal trailer and caravan hitch...

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B&QB&Q - Trailer Ball Hitch Lock Security Coupling For Caravan Trailers Lock 50mm Ball
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Product Information

Full details

The AB Tools Trailer Ball Hitch Lock (TF542) is designed for both commercial and occasional users who require a robust, reliable security solution for their trailers and caravans. Its primary benefit is providing a highly visible physical deterrent that prevents unauthorized coupling, though users should note it is not compatible with hitches featuring built-in stabilizers due to their larger head dimensions. Constructed from durable cast alloy with a hardened locking bar, this lock offers a simple, effective method to safeguard your towing equipment when it is unhitched.

All features

ColourYellow
Model Part NumberTF542
BrandAB Tools

Extended Product Information

FAQs

Does this lock fit all trailer hitches?

It fits most standard trailers and caravans, but it is not compatible with hitches that have built-in stabilizers due to their larger size.

Can I use this while towing?

No, this is a security device intended only for when the trailer is unhitched and parked.

Are replacement keys available?

The lock is supplied with two keys; it is recommended to keep one in a secure location separate from your vehicle keys.

Is the yellow finish weather-resistant?

Yes, the finish is designed to be weather-resistant, though it may show signs of wear over time if left exposed to harsh elements constantly.

What is the diameter of the locking bar?

The locking bar is 12mm thick and made of case-hardened steel for increased cut resistance.

Troubleshooting

The locking bar is difficult to insert.

Check that the hitch handle or release lever is not caught on the lock body; try reversing the orientation of the lock.

The key is stiff or hard to turn.

Apply a small amount of lubricant or graphite spray into the keyhole and work the key gently to distribute it.

The lock does not sit flush in the hitch.

Ensure no mud or road grit is packed inside the hitch head, which can prevent the lock from seating correctly.

Pros and Cons

Pros

  • Highly visible yellow finish acts as a strong deterrent
  • Sturdy cast alloy build ensures long-term durability
  • Fits most standard hitches for wide compatibility
  • Easy to install and remove when needed
  • Includes two keys for convenience

Cons

  • Not compatible with hitches that have built-in stabilizers
  • Requires manual key operation, which may be difficult in very tight spaces
  • Finish may scratch or chip over time with heavy outdoor use

Setup, Compatibility & Care

To install the lock, ensure your trailer hitch is clean and free of debris. Slide the body of the lock into the hitch head cavity. Align the holes and insert the 12mm locking bar through the mechanism, then turn the key to engage the lock. Always ensure the key is fully turned before removing it to ensure the bar is secure.

Compatibility is broad, fitting almost all standard pressed steel hitches. However, as noted, this model will not fit modern hitches equipped with integral friction stabilizers, as those hitch heads are physically too large for the lock body. To maintain the device, apply a light silicone-based lubricant to the keyhole periodically to prevent internal corrosion and ensure smooth locking action, especially if the lock is stored outside in wet conditions.

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