What size are the torx screws?

I’m only getting audio out of one ear piece. My set of anti-tamper torx bits do not fit the screws in this headset. What size are the torx screws?

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I'm not sure specifically, but what size Torx security drivers do you have? Typically the smallest one I have seen with the anti-tamper/security bit in the middle is a T6. Anything smaller than that would be hard to durability out of.

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Thanks for your feedback. My T6 wasn't working but I did find a size that fit at my local Harbor Freight. The size that worked was T7. I purchased this and was able to access inside the ear piece https://www.harborfreight.com/7-pc-mni-s...

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