On Mon, 15 Jan 2018 21:45:06 +0100, Emanuel Berg
wrote:
... most of the common 13, 14, and 15mm
sockets are to short to get a hold.

Use a deep well socket:
https://www.google.com/search?q=deep+well+metric+sockets&tbm=isch


--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558