50mm Forged tow-ball with pin coupling assembly. Suitable for towing trailers of up to 3.5 Tonne. Pre-drilled mounting points at 90mm centres. 25mm Diameter pin. Regulation 55 approved. Features & Benefits:50mm Forged tow-ball with pin coupling assembly.Suitable for towing trailers of up to 3.5 Tonne.Pre-drilled M16 mounting points at 90mm centres.Ø25mm Diameter pin.Regulation 55 approved.Model No. TB042 Specifications: Model No TB042 Ball Size: 50mm Brand: Sealey Nett Weight: 3.99kg D Value: 20.2Kn S Value: 350kg Mounting Bolt Fixing Holes: M16 (x2) Fixing Centres: 90mm Appoval Number: E11 55R 0111231