ETECHMART Pack of 2 Wall Shelf Brackets Heavy Duty (5 Inch, Black) Heavy duty cast iron construction creates a sturdy piece, stronger than steel ones. (Holds 70 lbs.) L shape structure of stable right angle, easy to make level and get rid of wobbles. Helps create more space of wall for storage or display in any room. 5" brackets(5"x3 1/2"), suitable for 5" - 6" deep shelves. Easy to mount with the well positioned holes(6/25") and four 3/10" self drilling screws and anchors included.