2 Pieces Heavy Duty Folding Shelf Bracket The folding bracket is made of high quality steel, provides good hardness and stability. From advanced baking lacquer technology: Not easy to peel off and rust, strong enough and durable. With spring button: Easy to open and close with spring button, labor saving and foldable. With thickened support rod: improve durability and hardness to prevent loosening or breaking 90° stable triangle: The frame consists of a 90° triangle, is space-saving and offers great strength and strong support. Foldable design: Convenient storage: easy to fold and pull. Installation method: 1. Place the folding bracket on the wooden board and use it to align the holes. 2. Tighten the screws with a screwdriver 3. Repeatedly adjust the position on the vertical surface until it is level and mark it. 4. Using an electric drill, drill a small hole at the mark 5. Insert the anchor into the hole and hit the wall with a hammer < /p> 6. Use a Phillips screwdriver to align the