Overview Product Description Alko Aks High Rise 50mm Towball. 618901 AKS anti-rotation 50mm high rise tow ball (black) Product Videos Custom Field Product Reviews Write a Review Write a Review × Alko Aks High Rise 50mm Towball. 618901 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *