Ronix2.5" - Fin-S 2.0 Tool-Less Fiberglass - Surf Fin - Black

Convenient to change fins but they fall out very easily when bumped from behind. I've lost two so far this way. Once the board slid off the back of the boat onto the swim platform and the fin popped out. The other time the rider kicked the board into the swim platform and the fin popped out. At this point, I think I prefer not losing $45 fins over the quick change convenience.