• 50mm Forged tow-ball with pin coupling assembly.• Suitable for towing trailers of up to 3.5tonne.• Pre-drilled mounting points at 90mm centres.• 25mm Diameter pin.• Regulation 55 approved.50mm Forged tow-ball with pin coupling assembly. Suitable for towing trailers of up to 3.5tonne. Pre-drilled mounting points at 90mm centres. 25mm Diameter pin. Regulation 55 approved.• 50mm Forged tow-ball with pin coupling assembly. • Suitable for towing trailers of up to 3.5tonne. • Pre-drilled M16 mounting points at 90mm centres. • 25mm Diameter pin. • Regulation 55 approved. • Model No. TB042Technical Specification:Ball Size: 50mmNett Weight: 3.99kgD Value: 20.2KnS Value: 350kgMounting Bolt Fixing Holes: M16 (x2)Fixing Centres: 90mmAppoval Number: E11 55R 0111231Dimensions: Length: 240mm x Height: 130mmWeight: 4.042KgWarranty: 1 year