1.Package Includes: 2 folding shelf brackets, total size 400 x 175 mm / 16 x 6.8 mm, comes with 6 plastic expansion plugs and 6 self-tapping alloy screws. 2.Sturdy and durable: made of stainless steel with brushed surface to resist daily scratches, corrosion and tarnish, 1.5 mm thick support arms and 3.0 mm thick diagonal support rods, not easy to warp or break, under long-term use conditions - long service life. 3. Space-saving and versatile: Triangular sturdy structure, can hold up to 330 lbs/150 kg, folding design saves space, just press the release arm to fold the mobile rack. Simple and convenient to use, suitable for home, laundry, store, RV or outdoor use. 4.Easy Installation: Mounting accessories are included, just fix the short bracket arm on the wall, fix the long bracket arm on the card and screw the screws vertically on the bracket arm. (Warm tips: the width of the board should not exceed the length of the arm 10.2 cm). 5.MULTIPLE DIY USES: The shelf brackets that lock into 90 degrees are perfect for your creative shelving projects, such as book shelves, kitchen shelves, hanging desks, exhibition shelves, garage workbenches, outdoor wall brackets and more.