I got quite a few of them. I have had to replace probably 15 eyes in 3 years. Talk to the rod repair guy at BPS and he said that it is pretty typical them falling off and coming loose, they just dont have a big enough foot to mount on the rod very well. I wont buy anymore, and i will probably have all them replaced with regular eyes next time i have to take one in. And as far as performance, I dont think it makes a bit of difference. If you throw braid and tie a leader on it, i dont care how small your not is, you will feel it come through the guides every cast. And they freeze up if you fish when its real cold.