Look if your hitch has a little keyhole shaped hole in the side of the handle. A simple lock that fits into virtually all pressed steel hitches. Perfect for peace of mind when stopping in motorway services or laybys.
eBay
KAK Biometric Fingerprint Lock Black Keyless Cabinet Lock Smart Drawer Locks Anti-theft Door Lock Long Standby Time Door Hardwar
Aliexpress UK
Suitable for many Ifor Williams trailers and horse boxes. HBE506 Heavy Duty Cover for Ifor Williams HBE-506 Horse box Trailer Hitch. Stronghold hitch lock for Knott Avonride hitches fits most 50mm Avonride cast heads from 1400Kg - 3500Kg including: 575003, 575004, 575005, 575008.
eBay
Cam Lock Padlock Door Lock For Security Door Lock Cylinder With Cover With 2 Keys 22 X 16mm Aluminum Alloy Cabinet Mailbox
Aliexpress UK
Suitable for many Ifor Williams trailers and horse boxes. Stronghold hitch lock for Knott Avonride hitches fits most 50mm Avonride cast heads from 1400Kg - 3500Kg including: 575003, 575004, 575005, 575008.
eBay
Pentagram Lock Mini Star Antique Padlock Locker Security Key Lock With Key Luggage Bag Lock
Aliexpress UK
Compatible with the following OE reference : MP956. Fit for: For Alko AK130, AK160, AKS1300, AKS2004 and AKS3004. 1x Hitch Lock ( as shown in the picture ). Sunshade pad. Yard，Garden&Outdoor living. Rear Light Assemblies.
eBay
Wine Bottle Lock Combination Locks Liquor Whiskey Bottle Top Stopper Password Lock For 26mm To 28mm Wine Bottle Mouth cap lock
Aliexpress UK
Package Included: 2 x barrel locks, 4 x Keys. Material: The trailer lock is made of copper, durable and sturdy materials for a long service life. Lock and key hitch lock suitable for 50mm pressed steel couplings such as those fitted to most compatible with Erde, compatible with Daxara and compatible with Maypole trailers plus any other trailer coupling with the keyhole in the handle. Easy to use: Simply insert the lock, turn the key and remove. Enables the trailer or caravan to be locked onto the vehicle when parked up. Material Copper Size As Shown Type Lock & Key Brand Unbranded/Generic MPN MEM94927179088 Manufacturer Part Number Does not apply EAN 4894927179088 .
eBay
Stainless steel padlock household locks anti-theft anti-pick locks dormitory waterproof rustproof locks lockers
Aliexpress UK
Lightweight & Easy Usage: The Trailer Guardian hitch lock is easy to unlock, with the lock being simple to install and remove. This hitch lock will effectively secure your trailer and prevent cargo loss.
eBay
CDOK G18 Tuya APP smart lock, wooden door lock, fingerprint password lock, automatic lock when closing the door
Aliexpress UK
Wide Application: Compatible with most trailer tow hitch or hitch ball carrier, such as for Reese, for CURT, for Anderson Hitches, for, for Connor, for Weigh Safe, and more. O rings prevent any rattling and hold the hitch pin still.
eBay
Hot sale 1Set (1 Lock+2 Keys+4 Metal Hook) Electric Car Scooter Tail Box Lock Trunk Lock Accessories Motorcycle Rear Locks
Aliexpress UK
Secure your trailer with 2 lockable coupler lock. 1 x Coupler Lock. 1/4" pin fits latch-type couplers with a span of 3/4". Type: Trailer anti-theft lock. 2 keys included. Lock Lever Size: φ6.
eBay
Useful Stainless Steel Anti-theft Lock With Keys Durable Heavy Duty Padlocks Anti-cut Long Shackle Lockpick Set Gate Locks
Aliexpress UK