Tow Bar Ball and Pin Coupling 50mm Tow Hitch E approved 3.5t Tow Jaw Black 50mm ball and pin black hitch commonly fitted to commercial vehicles to allow hitch or towing eye trailers to be towed D value = 21Kn S value = 350Kg Approved to UN/ECE Reg 55 2 x M16 mounting bolt fixing holes 90mm fixing centres UN/ECE Regulation 55 has been introduced to replace EC94/20 towbar regulation. Regulation 55 is fundamentally similar to EC94/20, but with additional test and administration requirements. If your in a postcode like BT and others please buy my other listing to cover courier costs