Hard-to-Find Fastener 014973150310 Hex Lag Screws, 1/2 x 10, Piece-25 Diameter: 1/2" Length: 10 inches Material: Steel Finish: Hot Dip Galvanized Head Style: Hex (3/4 Wrench) Diameter: 1/2" Length: 10 Inch Material: Steel Finish: Hot Dip Galvanized Head Style: Hex (Hex)