I made a four prong socket from a piece of 30mm ID square steel tube with an 8mm bolt screwed into the tube at the midpoint of the sides. filed the ends of the 8mm bolts sown to 6mm square to fit into the lugs.
Finished off with a piece of steel across the back with 3/8 square hole to take a 3/8 ratchet wrench or tension wrench.