Product Description Trailer Hitch Lock Universal Tow Ball 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 is extremely easy to use and amazingly effective, simply place onto the tow ball and lock. It works with all 50mm tow balls which are standard for most of the caravans and trailers. Bold & Durable Strikingly bright yellow colour, ensures that your hitch lock is easy to recognise and deter potential thieves. It has a corrosion resistant finish to help protect against wind and weather resulting in a increased life expectancy. Read more Key Lock Strong cast construction to help combat picking and prying at the lock. Each lock is supplied with two keys - it's always good to keep a spare key Read more Secure Design Ratchet design consists of 6 locking positions to ensure fitment to a wide range of applications. Read more Don't delay lock up your goods today