SH5414 Stronghold Hitchlock For Winterhoff WS3000 Hitches and BPW ISC (ZKAS) stabiliser couplings. Approved to Sold Secure Gold standard for caravans and trailers Weighing only 2.5Kg it is easily fitted hitched or unhitched Provides security for a car and caravan when they are parked coupled together e.g. motorway services (NOTE: For safety reasons this product is not recommended for use while towing) Lightweight and user friendly - fitment in under 10 seconds The robust steel casing with anti-saw features covers the fixing bolts of the hitch to protect it from being stolen