5/16" (8mm) Hole Size Head Size: 11/16" x 1 5/16" Stem Length: 9/16" Black Nylon Rocker Panel Moulding Compare with: Auveco #20808, Car Pak # 87-6302, 876302, G.M. # 10431524, # 10352799, W&E # 3116, Barnes / Kar # CP87-6302, CP876302, Clip Lizard # 270132, Crest / Midwest # CRX15718, Disco # 9967PK, 9967B, Kent / Lawson # P24209, Winzer # 502.1976, Wurth # 150119757, S&R # 421376