Heavy Duty Trailer Tow Ball Coupling Lock ON/OFF with padlock

Heavy Duty Trailer Tow Ball Coupling Lock ON/OFF with padlock

AU $29.95


AU $79.95

(YOU SAVE AU $50.00)

Or 4 interest-free payments of AU $7.49 with Learn more.

In Stock


- +

Calculate Shipping

Standard Shipping: AU $0.00
Please enter Postcode to calculate Shipping (Delivery time: 2 - 10 working days)

Owned & Operated

Fast & Free Postage
on selected items

30 day
Money Back Guarantee



Speak to our dedicated team
(10am - 4pm AEST on business days)

Key Features

  • Protect your boat trailer or caravan from theft
  • Locked in two different positions whether trailer is hitched or unhitched
  • Made of hardened steel
  • Suits the standard Australian 50mm ball couplings
  • Includes a padlock with 3 keys.


Protect your boat trailer or caravan from theft is easy with this heavy duty trailer coupling lock. The locking bar can be fitted in two different positions and secures your boat trailer or caravan whether it's hitched (top position) or unhitched (low position).

The whole body of the lock is made of hardened steel which is not easy to cut. It suits the standard Australian 50mm ball couplings on most caravans, boat trailers or horse floats. The kit also includes a padlock with 3 keys.



Hardened steel

Dimensions: 195mm x 155mm x 50mm
Weight: 2.4kg

Package Included

  • 1 x Trailer Coupling Lock
  • 1 x Padlock
  • 3 x key


  • All Items will be shipped within 24 business hours after full payment has been received.
  • We use Australia Post eParcel service to ship most items except certain large items will be shipped by Courier.
  • Please provide your best contact phone number with your order in case the courier driver needs to contact you upon delivery.
  • You will receive a confirmation email with shipment tracking details after item is despatched.
  • Please allow up to 10 business days for delivery of the product.
  • In the unlikely event that a problem should occur, please contact us first, and we will do our best to resolve any concerns.


All Sales are Final. Seller won't accept exchange because item is not what was expected, change of mind, or any other excuse.

An item can only be returned to seller after the seller agrees. Any item sent back to the seller without prior agreement will automatically be rejected and returned at sender's expense (if any).

For any Return, buyer is responsible for postage back to seller.


  • We accept Paypal, Credit Card or Bank Deposit.
  • Payment must be made in 4 days after order placed.

About Us

  • Founded in 2005, Kaiser Boating is 100% Australian owned and operated.
  • We supply Boating, Caravan, RV, Fishing, Camping accessories and many more.
  • We source and import all products directly from manufacturers and offer the best quality products and prices to our customers.
  • As we are actively expanding our inventory, please check back if you can't find what you're looking for. Or message us and let us know, we may be able to get it

Contact Us