OOPS, my bad. I replied to the thread at work.[X(] You are correct, two anti rotaion pins, and 1 nylon thum screw per panel. I do not know how someone would not under stand it by just looking at it. From my own experience all last summer, I hope you have small fingers, because it is a pain in the arse to get your hands down under the rudder pushrod to install the screw.