Works with most types of coupling. Heavy Duty Anti-Theft Device for Trailer Caravan Horseboxes. Place the trailer lock on the trailer hitch and lock into place. Slide the U-bar tightly over the trailer hitch for an easy and tight connection.
eBay
Trailer Locks Ball Hitch Solid Trailer Hitch Pin Lock Generic Anti-Theft Device Generic Trailer Hitch Pin Lock Adjustable
Aliexpress UK
Fits most 50mm Avonride cast heads from 1400Kg - 3500Kg including: 575003, 575004, 575005, 575008. Allows use of Avonride integral lock. The robust yellow steel casing with anti-saw features covers the fixing bolts of the hitch to protect it from being stolen.
eBay
Universal Caravan Hitch Cover Waterproof Dustproof PVC Trailer Tow Ball Coupling Lock Cover Heavy-Duty Tow Hitch Cover For RV
Aliexpress UK
This is equivalent to the Knott Avonride Part No. 575000.
eBay
Trailer Hitch Pin Lock 5/8" 1/2" Dual Receiver Locking Trailer RV Truck Tow Heavy Duty Anti Theft for 2" Towing Receiver Lock
Aliexpress UK
Works with most types of coupling fits 1-7/8", 2", 2-5/16" couplers. 1 x Trailer Hook Lock. Guards against theft of caravans & trailers. Color: Yellow. Size: 14 x 15.5 x 8 cm/5.51 x 6.10 x 3.14". Weight: 848g.
eBay
Waterproof Caravan Hitch Cover PVC Trailer Tow Ball Coupling Lock Breathable Rain Snow Dustproof Protector Towing Hitch Cover
Aliexpress UK
In addition, it is not suitable for ordinary or modified hitches with stabilizers. The yellow color is eye-catching and easy to see. Easy to install manually and prevent theft. Easy to install: The trailer lock can be easily installed and removed without any tools, which is quick and convenient to use.
eBay
Waterproof Caravan Hitch Cover PVC Trailer Tow Ball Coupling Lock Breathable Rain Snow Dustproof Protector Towing Hitch Cover
Aliexpress UK
This universal heavy duty hitch lock is perfect for coupling to any caravan or trailer, so you'll know that your vehicle is safe! It works with all 50mm tow balls which are standard for most of the caravans and trailers.
eBay
Waterproof Caravan Hitch Cover PVC Trailer Tow Ball Coupling Lock Breathable Rain Snow Dustproof Protector Towing Hitch Cover
Aliexpress UK
Works with most types of coupling fits 1-7/8", 2", 2-5/16" couplers. 1 x Trailer Hook Lock. Guards against theft of caravans & trailers. Color: Black. Size: 14 x 15.5 x 8 cm/5.51 x 6.10 x 3.14". Weight: 848g.
eBay
CNSPEED Trailer Hitch Coupler Lock 1/4" Zinc Alloy Small Trailer Lockstitch For Locking Hauling Security Towing Tow Bar
Aliexpress UK
Works with most types of coupling fits 1-7/8", 2", 2-5/16" couplers. 1 x Trailer Hook Lock. Guards against theft of caravans & trailers. Color: Black. Size: 14 x 15.5 x 8 cm/5.51 x 6.10 x 3.14". Weight: 848g.
eBay
Anti-theft Trailer Hitch Lock Trailers Coupler Padlock Hook Connector Tongue Locks Hitch Security Protector Zinc Alloy 1/4 Inch
Aliexpress UK