hardware braces
stanley hardware 756761 4 count 2 . 5 inch x 2 . 5 inch zinc flat corner braces
for corner joints of wood boxes crates screens windows furniture and doors reinforces flat right angle corner joints rust resistant screws included 2 1 2 x 1 2 zinc plated 4 per card length 3 74 width 4 71 sku jnsn57864