OK, Thanks!
So i just can use them without changing anything else, right?
I mean this ones:
73372 Heavy Duty Rod Ends (12) 4-40 (Black)
73375 Heavy Duty Rod Ends (12) 4-40 - Blue
73377 Heavy Duty Rod Ends (12) 4-40 - Yellow
73378 Heavy Duty Rod Ends (12) 4-40 - Purple
73381 Heavy Duty Rod Ends (12) 4-40 (White