MATERIAL: Made of thick solid steel by electroplating, rust and corrosion resistant. Easy to install, the package comes with screws and instructions. MATERIAL: Made of thick solid steel by electroplating, rust and corrosion resistant. Easy to install, the package comes with screws and instructions. SELF-LOCKING DESIGN: With its sturdy latch, each bracket can support a load of 150 kg, which is ideal for supporting heavy objects. FOLDABLE AND EXTENDABLE: The hinge allows you to fold or extend your table legs, freeing up limited space. Wall-mounted shelf bracket.