For a couple buck more you can get these. They should fit perfectly in the eyelet and the tower.
I just ordered them too.
https://www.towerhobbies.com/cgi-bin/wti0095p?FVSEARCH=Lxjbuh
I just ordered them too.
https://www.towerhobbies.com/cgi-bin/wti0095p?FVSEARCH=Lxjbuh