1/4" (6.3mm) Diameter 1/2 Flange Diameter .189"-.268" Grip Range All Steel Rivets Common Application is for F150 With Aluminum Body Compare With: Ford # W708777-S900C, W708777S900C, Mercedes # 004-990-16-97, 0049901697, Auveco # 21286, Disco # 12625PK, 12625B, Lawson # P85335, Clip Lizard # 60279, 60851, Crest Midwest # CRX20816, Car-Pak # 99-9122, Winzer # 500.5683, Wurth # 150121286, S&R # 38595