[Heavy Duty & 90 Degree Angle] Each pair of the 1/5-inch thick brackets, crafted from high-quality iron, can support up to 90 kg when used with the included high-strength screws. The precise bending ensures a 90-degree angle, preventing tilting. [Hidden & Countersunk Design] With a height of only 4 cm, the bracket can be easily concealed between the wall and the shelf. It is designed for both upward & downward use, while the countersunk feature ensures smooth drilling and invisible screws. [Matte Finish] The matte black finish of these cast iron shelf brackets blends modern elegance with industrial aesthetics. These mounting brackets serve as hidden shelf supports, offering a textured surface for rust resistance and lasting performance. [DIY Storage Rack] This set includes 6 decorative L-brackets for wood, serving as holders for DIY wall-mounted open shelves. Versatile in use, they are suitable for kitchens, bathrooms, bedrooms, offices, garages, study rooms, and restrooms. Color: black Material: iron Size: Length: 20 cm Package contents: 6 x Heavy Duty Floating Shelf Brackets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.