Hole Size: 5/16" (8mm) Stem Length: 11/16" Head Size: 11/16 x 1-5/16" White Nylon Rocker Panel Moulding Clips Compare with: G.M. # 10352809, 10426887, 10431503, Auveco # 20775, Disco # 13420PK, Disco # 13420B