Premium Material: Crafted from cold-rolled steel plate with a surface-treated finish, ensuring strength and durability. Space-Saving: This wall-mounted folding shelf bracket is ideal for tables, cabinet doors, and other furniture, perfect for 90-degree/180-degree folding. The folding design helps you save space and gives your room a tidy look. Easy to Install: Simple to install and fold, allowing you to create a folding shelf bracket or a small wall-mounted table for your home or garage. Can be installed on any type of wall without damaging it. High Flexibility: The folding workbench brackets feature an internal spring design for great flexibility. They achieve slow and stable closing motions, reducing impact and avoiding noise. Rich Packaging: You'll receive 4 folding workbench brackets and 24 screws. The closed angle of the hidden table hinges is 90 degrees, and the opening angle is 180 degrees.