50 mm Flange Tow Ball, zinc plated, fits for two-bolt flange towbar, value D 17 kn, value S 205 ... kg. • 50 mm Forged Tow Ball fits for Two-bolt Flange Towbar• Finish: Zinc plated• Value D: 17 kn ... racks, etc. Zinc Plated 50 mm Forged Tow Ball fits for Two-bolt Flange Towbar