Looking for rocker molding clips

I have a 1970 Plymouth Duster, 340 plum crazy and it has these chrome rocker molding that go on each side of the car right under the door and it extends from wheel well to wheel well and it approx 2" in width and the holes in the body are round and I am looking for the clips that sna; into these holes. I bought some clips but they require drinling in to the body and I would prefere the clips that squeeze and go intot he round holes that holds the clips. I would appreciate and help on this.