These CM Trailers Towballs are especially designed to be used on NZ fixed tongue (75mm wide)Â
These 50mm Towballs and Locking Plates are a Manufacturers madatory requirementfor use with the imported European Caravans fitted with the AL-KO AKS Stabiliser Couplings.
The Adapter Locking Plate is required to stop the nut from being undone.
PLEASE NOTE; THE NUT MUST BE DONE UP VERY TIGHT TO ENSURE THERE IS NO BALL MOVEMENT - 220nm torque.