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Trailer Locks

Wheel Clamps

(available in store only)

The best solution for trailer security is a wheel clamp. At Shop1auto we carry the range of Keep It - Klamp It wheel clamps which is considered the best selling wheel clamp in Australia. KlampIt wheel clamp

The Klamp It wheel clamp is recognised as a leader in Australia for trailer security. The bright yellow unit attaches quickly to the trailer and gives a highly visible deterrent to would be thieves. The central disk covers the wheel nuts to prevent the lock being by-passed and a heavy duty key lock keeps it securely attached to the wheel.

The Klamp It comes in 6 different sizes to fit snuggly to the tyre size of your trailer from mini-wheels up to big off road wheels.

The Klamp It range is Australian designed and manufactured to the standards required to get the stamp of approval from the insurance industry and leading motoring organisations. This has made the Klamp It the wheel clamp of choice for over a decade in Australia.

Klamp It Size Tyre width Price

up to 135mm



145mm to 155mm $199
B 165mm to 185mm $199
C 195mm to 205mm $199
D 215mm to 245mm $242
E 265mm to 285mm $295


KlampIt wheel clamp

To find out what wheel clamp is suitable for your trailer just check out the width of tyre you have from the markings on the tyre and add 5mm. The table above gives the size breakdowns with size code letter and prices. You will also need at least 40mm clearance between the wheel and wheel arch and between the inner face of the wheel and the trailer body.

Tyre width guide

Coupling locks

Ark ATL15 Heavy duty coupling lock

Heavy duty trailer coupling lock

The Ark ATL15 coupling lock is a high quality robust security solution to secure the coupling on your trailer. Made from hardened steel to resist cutting and an advanced barrel locking mechanism to provides an excellent deterrent. The fine toothed columns allow for fine adjustment and a very snug fit onto the unit you want to secure.

The Ark ATL15 can be used to either secure the trailer when not attached to the vehicle and can also be used to lock the trailer to the vehicle when parked up.

Finished in a bright chrome plating to resist rust the Ark heavy duty coupling lock provides a great solution for trailer security.






Budget coupling lock

Heavy duty trailer coupling lock The Budget coupling lock is an economical solution for trailer security. A simple fabricated frame engages the trailer coupling and is held secure with a pad lock.

The coupling lock has 2 positions. It can be used on just the trailer to plug the coupling and block the coupling from being attached to a tow ball. Also the coupling lock can be used to fix the trailer to your tow vehicle (while parked up) keep your trailer protected while you stop for a coffee.

The lock is made from fabricated steel and has a heavy zinc plate finish to protect from corrosion.

Coupling Lock (Budget)



Hitch pin lock

Tobar hitch locking pinA hitch pin lock keeps your tow ball securely on your car. A new towball mount, pin and towball can set you back upwards of $100 not to mention the inconvenience if it gets stolen just when you need it.

A Hayman Reese hitch lock is a high quality product and is rated for towing and can be used as a direct replacement for pull clip and pin basic unit.

Hayman Reese Hitch pin lock: