My grandson has one of those stupid Holden Combo vans, typical European rubbish where they want to re-invent the wheel. The sump plug is a reasonable size with a small torx fitting in it. Well over a hundred years ago somebody invented the sump plug with an external square end on it, worked well till the Europeans got their grubby little hands on the idea and changed it for no other reason but to show the world how clever they are