GM White Nylon Door Panel Retainers (GM # 15607165, 15612948) - Package of 15 GM White Nylon Door Panel Retainer Clips 15607165, 15612948 Top Head Diameter 9/32 x 1/2", Bottom Head Diameter 9/16" x 11/16" Stem Diameter 5/16", Stem Length 3/4" Pack of 15