Wanted Shimano 739 XT brake lever adjustment blocks

[rigidftw]

I've got a set of BL-M739 and both levers are missing one of the two adjustment blocks and screws.

#6 https://si.shimano.com/pdfs/ev/EV-BL-M739-1580A.pdf

Does anybody know where I can get them?
Or does anybody have any spare ones?

Thanks!