This 1" tall rocker panel molding retainer replaces the original rail style retainers. Install this clip at every rail mounting hole instead of the rail. This style clip helps prevent water build up between the rail and rocker panel and eliminates the rust problem associated with the original rail style retainers. For various 1962-74 GM models with the wide style rocker panel moldings. Comes in a set to do both rocker panel moldings, includes 12 clips and 12 screws. Fits: 1966-67 Chevy II/Nova exc. SS 1968-74 Nova Note: CLIP IS 1" TALL. (SET OF 12 WITH SCREWS). FOR 3" MOLDING TOP EDGE ONLY, USE SCREWS ON BOTTOM.