Robust and durable: the shelf support is made of steel. To prevent scratches, corrosion and tarnishing. It will not harm human health. The triangular shape is the most stable construction of the wall brackets. Space saving appearance of the shelf bracket is triangular. All shelves can be hung and hidden at the bottom of the shelf. Space saving and simple design - Your room stays clear and tidy. Easy installation The foldable hinge brackets are easy to install, so you can build a shelf bracket or a small wall bracket for your home or your garage. They can be installed on any type of wall without damaging the wall. Stable and practical Total dimensions of the support: 80mm x 100mm. 2 hidden black floating shelf brackets. Includes matching mounting accessories, premium stainless steel screws and expansion tubes. Widely used DIY shelves are very suitable for small to medium sized shelves, shops, studies, boats, caravans, terraces, caravans, kitchens and bathrooms, windows, cabinets, furniture, etc., very suitable for decoration and saving space. Functions: The floating angle bar is made of stainless steel and is white powder coated. Suitable for indoor and outdoor use. The service life remains the best. Hidden floating bracket is hidden under shelf, saving space and beautiful modern visual display, enjoy your quality of life. Triangle floating bracket hidden for safe working load per pair, sturdy, rust and oil resistant. Safe, ideal for home or workplace. Installation Instructions: Drill holes on board. Mark the cross on the board. Make sure you drill the holes in the right place. 2. You can use an electric screwdriver to install the washer holder. 3. Adjust the plate and the height of the support. Just place the support and puncture the part to fix it. Technical characteristics: Color: black. Material: steel Dimensions: 100 x 80 mm. Quantity: 2 pieces. Package content: 2 invisible black shelf supports.