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The teeth matches T8 or T7 but it won't work due to torx shaft is larger than the spring it has to pass. The allen won't bite initially. I have to use a cheap flat precision screwdriver to forcefully try to turn it. This somehow enables allen to bite the teeth and work.
Please refer to the link provided by PJ.
Most the answer to these sort of questions can be found by using the google search box at the top of the page.
If there are too many threads started on the same subject information becomes diluted, it's much better to keep it together.
The last page of that thread should provide all the answers
If you have further questions please post in the existing thread.
Norm