General description The Concealed Floating Shelf Bracket set includes 6 heavy-duty brackets designed for custom wall shelves. These brackets are completely hidden within the walls and boards, providing a simple and stylish solution to enhance the aesthetics of your home while ensuring stability and strength. Technical specifications Total length: 195 mm Expansion tube length: 75 mm Expansion tube diameter: Ø12 mm Support rod length: 120 mm Support rod diameter: Ø12 mm Load capacity: up to 20 kg when properly installed on a suitable solid wall Material: Iron (interior), plastic (housing and expansion tube) Installation Measure the hole spacing and drill holes in the wall (depth should not exceed 75 mm). Insert the extension end of the bracket support pin into the wall hole along with the black screw cap. Insert the handrail into the expansion plug in the wall opening and tighten the screw cap clockwise until the expansion plug expands into the wall. Drill an appropriate size hole in