#2 Robertson.
Very common in aviation.
When you look at the robertson tip it is square. Your screw is an 8 point kind of like how you can get 12 point sockets for hex heads.
I'm opening a new mobile division to my business that is going to require a "mobile office studio" to attend approximately 30 events (all over the nation) per year.
At first I was thinking that perhaps a car hauler with living quarters in the front half may be a solution, but I am not sure that...
