I can tell you that it's a Torx bit, but it's hard to see what size it is and I can't find it online.
But I would guess the bit size is somewhere between T3 to T8.
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=== Update ===
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Thanks for the documentation, they are M2 ***Torx4 (T4)*** screws.
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From my understanding, the "L" just means that it's one of that L shaped tools normally used for Allan/hex keys. So a normal T4 bit should work without any problem.
I can tell you that it's a Torx bit, but it's hard to see what size it is and I can't find it online.
But I would guess it's a T9, T10, T15 or maybe T20 bit.