Durable & Sturdy: Black corner braces are made of high-quality stainless steel, hard and durable, resistant to corrosion and rust, designed to last. Easy to Install: The package includes 90-degree brackets and screws to meet various needs. Simply place the corner brace on the board you wish to connect and secure with screws using a screwdriver. Corner Braces: 4-hole L brackets 40 x 40mm; 2-hole angle brackets 20 x 20mm. Screws are compatible with these corner brackets. Wide Applications: L corner braces are ideal for reinforcing right-angle joints and can be used in various applications such as shelf support, desk edges, flat surface joints, windows, and furniture. Specification: Color: Black. Material: Stainless steel. Package Includes: 10 x 4-hole L corner braces, 10 x 2-hole 90-degree brackets, 60 x screws. Smooth surface with plated finish that resists fading and scratching. Simple and practical design blends well in various settings without clashing. Content limited to the items listed above; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.