• These CM Trailers Towballs are especially designed to be used on NZ fixed tongue (75mm wide) 
• These 50mm Towballs and Locking Plates are a Manufacturers madatory requirement for 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.

Each