Features: brand new and high quality Close to the wall at 90, stable and pressure-resistant without shaking. The bottom plate is designed with a widened panel, which is stable and securely installed. The surface is treated with baking varnish, anti-corrosion and rust-proof, and the for touch is smooth. The appearance is triangular and hidden at the bottom of the shelf, so there is no need to worry that the shelf bracket accessories will damage the aesthetics of the furniture decoration. Suitable for bookshelf racks, furniture brackets, and partition brackets. Specifications: Material: Aluminum Color: Black/White Large Size: Approx.25x20cm/9.84x7.87inch Medium Size: Approx.20x15cm/7.87x5.9inch Small Size: Approx.15x10cm/5.9x3.94inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Pair Triangular Bracket