Fits Winterhoff WS3000 hitches. Approved to sold secure gold for caravans and trailers standard. VbV/SCM MP03 approved. VbV/SCM approved in the Netherlands. Highly visible deterrent. Fits in under 10 seconds. Light weight and user friendly with full colour fitting instructions. Fits hitched or unhitched. Protects against valuable coupling theft by covering the hitch fixing bolts. Unique high security European patented locking system. Thousands of key combinations. Water and corrosion proof. Full steel ball supplied for additional unhitched security. Registered product design. Comes with a two year mechanical warranty. Robust plastic storage case included.