National Hardware N351-502 Closed Bar Holder For 2 By 4 Lumber 6-3\/8 Inch By 1-1\/2 Inch Black Coated Steel

6-3/8 inch by 1-1/2 inch black powder coated steel closed bar holder. Used to reinforce doorways against forced entry by providing secure placement of a 2×4 against entry side of door. The 2×4 must be slide through the bar holders. Screws not included.