[Heavy Duty & 90 Degree Angle] Each pair of the 1/5-inch thick brackets, made of high-quality iron, can support up to 90 kg when used with the included high-strength screws. The precise bending ensures a perfect 90-degree angle, preventing tilting.[Hidden & Countersunk Design] With a height of only 4 cm, the bracket can be easily hidden between the wall and the shelf. It is designed for both upward and 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 and offer a textured surface for rust resistance and lasting performance.[DIY Storage Rack] This set includes 6 decorative L-brackets for wood, perfect as holders for DIY wall-mounted open shelves. Versatile in use, they are suitable for kitchens, bathrooms, bedrooms, offices, garages, study rooms, and toilets.Color: blackMaterial: ironSize: Length: 30cmPackage contents:6 x Heavy Duty Floating Shelf BracketsOnly 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.