This 6-piece black L bracket set is designed for shelf support, furniture reinforcement, and general DIY installation projects. Each bracket measures 4"" x 2"" (100mm x 50mm) and features a strong 90-degree L-shaped structure for stable corner support. Made from high-quality solid metal steel with a matte black finish, these brackets offer a sleek, modern look while helping resist rust and corrosion. Smooth edges help make installation easier and reduce the chance of scratches during handling. The sturdy construction provides dependable support for wooden boards, wall shelves, bookshelves, table shelves, chair corners, garden shelves, cabinets, drawers, and other home or shop projects. Each bracket supports up to 42 lbs when properly installed. The countersunk screw hole design allows screws to sit flush for a cleaner finished appearance. These brackets can be mounted facing up or down depending on your installation needs. Features: 6PCS black L bracket set Size: 4"" x 2"" Metric size: 100mm x 50mm Heavy duty shelf support bracket design Strong 90-degree L-shaped structure Solid metal construction Matte black finish Rust-resistant and corrosion-resistant Smooth edges for easier handling Maximum load capacity: 42 lbs Countersunk screw holes for flush screw installation Suitable for shelves, cabinets, furniture, drawers, wooden boards, and DIY projects Can be mounted facing up or down Screw accessories and instructions included