Stronghold Hitchlock for Knott Avonride Couplings
- Fits most 50mm Avonride cast heads from 1400Kg – 3500Kg including:
- 575003
- 575004
- 575005
- 575008
- Approved to Sold Secure Gold standard for trailers
- VbV/SCM MP03 approved in the Netherlands
- Weighing only 4.5Kg it is easily fitted, hitched or unhitched
- It provides security for a car and trailer when they are parked coupled together e.g. motorway services (note – for safety reasons this product is not recommended for use while towing)
- Fitment in under 10 seconds
- The robust yellow steel casing with anti-saw features covers the fixing bolts of the hitch to protect it from being stolen
- Unique high security patented locking system
- High security pick-free locks have thousands of possible key combinations and are supplied with 3 keys, plus a key identity tag
- Water and corrosion proof
- Allows use of Avonride integral lock
- Registered design no. UK 9000 653 241 0004
- Registered design no. Europe 000 653 241 0004
The box contains
- Hitchlock cover
- Locking bolt body
- Locking bolt lock holder with three keys
- High security plastic hitch ball
- Fitting instructions and warranty card
Each
Contact us about this product
Contact us about this product
Delivery and Shipping
Delivery and Shipping
Orders are dispatched once payment has been confirmed. For courier deliveries, orders placed before the 1:30pm weekday cut-off are typically processed for the next available dispatch.
Delivery timeframes:
- Standard NZ courier: Dispatched the next working day after payment confirmation.
- Rural deliveries: Allow up to 5 working days.
- Large or bulky orders: Sent via bulk freight and may take 5-10 working days.
- International Airmail: Typically 3-14 days, with a maximum parcel weight of 20kg.
- International Courier: Available at an additional cost, with tracking included and a delivery target of 2-6 days. Maximum parcel weight is 30kg.
We accept returns of unused items in their original packaging within 14 days of purchase. Please contact us first to obtain a return authorisation before sending any items back.
Once your return is received and approved, a refund or store credit will be issued.
Please note:
- Special-order or imported items may not be eligible for return. In some cases, returns may be considered if the customer covers any associated freight costs.
- Refunds for credit card and PayPal purchases are subject to a 3% non-refundable transaction fee.
- Most returns incur a 10% restocking fee, capped at $25.
- Original shipping costs are non-refundable.
- Electrical items that have been used, damaged, or returned without their original packaging cannot be returned.
- Boat rollers and certain products supplied from the Rubbermark warehouse are subject to a 15% restocking fee.
For full details, please see our complete Delivery & Shipping Policy
Return Policy
Return Policy
We accept returns of unused items in their original packaging within 14 days of purchase. Please contact us first to obtain a return authorisation before sending any items back.
Request a return here.
Once your return is received and approved, a refund or store credit will be issued.
Please note:
- Special-order or imported items may not be eligible for return. In some cases, returns may be considered if the customer covers any associated freight costs.
- Refunds for credit card and PayPal purchases are subject to a 3% non-refundable transaction fee.
- Most returns incur a 10% restocking fee, capped at $25.
- Original shipping costs are non-refundable.
- Electrical items that have been used, damaged, or returned without their original packaging cannot be returned.
- Boat rollers and certain products supplied from the Rubbermark warehouse are subject to a 15% restocking fee.
For full details, please see our complete Returns Policy:
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



