Front HardPoint 11

I used 1/4" piloted 100 degree countersink from Aircraft Spruce for the front cable mounting holes.
I used a 5/16" piloted 82 degree countersink from McMaster for the master cylinder mounting holes. I thought the insert for the master cylinder was an aluminium insert, but it turned out it's solid fiberglass (perhaps something like G-10?).
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I need to make a cut-out for the master cylinder lever and fill all that is not level because of my lay-up.

Y13-12-30