5/16" (8mm) Hole Size Stem Length: 16mm Flange Diameter: 19mm Panel Range: 5.0 - 7.0mm Ergo Tufloks Push Type Retainers Compare with: Auveco #20990, Car Pak # 99-8697, 998697, G.M. # 15296830, Chrysler #05116530AA, W&E # 3260, Barnes / Kar # 99-8697, CP99-8697, CP998697, Crest / Midwest # CRX20048, Disco # 10370PK, 10370B, Kent / Lawson # KT13767, Winzer # 502.6105, Wurth # 150120990, S&R # 416196