1/4" (6.40mm) Diameter 1/2 Flange Size .286 - .346 Grip Range All Steel Rivets Common Application is for F150 With Aluminum Body Compare With: Ford # W702554-S900C, W702554S900C, Auveco # 22066, Disco # 13329PK, 13329B, Lawson # 1468616, Clip Lizard # 60281, Crest Midwest # CRX10399, Car-Pak # 99-9123, S&R # 38591