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 ... products include forged hooks & shackles, tow ropes & straps, hitch balls, ball mounts, trailer couplers, trailer connectors, bike racks, etc. Zinc Plated ...