My friend and I build PCs. Bit of a hobby, but we seem to build about 12 a year for other people. This time it was my own, as I'm in the process of upgrading.
Much to the annoyance of my friend, who has several SnapOn chests full of dedicated tools, I always rock up to a build armed with a Cybertool Lite, as it has a load of tools designed for just this activity... and I can usually bring mine to bear, getting the job done before he's even finished looking through his tools for the right one!
One job is routing all the cables through the tiny, fiddly holes - I have big hands, so implements help, and there's none better than the SAK hook:
[ You are not allowed to view this attachment ]