I didn't have the locking key so ordered one from ebay that looked like it fitted. It didnt quite but i hammered it on and got 3 nuts off. The other nut needed a T55 torx and an 8mm TCT drill bit, although others have had success with Cobalt drill bits as they are harder apparently.
A link to the tool, there are many sellers [ Ссылка ]
![](https://i.ytimg.com/vi/U69rSt_slG8/mqdefault.jpg)