Application This self-locking folding bracket is very suitable for folding table leaves, extended dining tables, computer tables, workbenches, window sills, kitchen cabinets, portable carts, pickup trucks, and a wide range of other applications. Details ✔Use with Confidence: This self-locking folding design allows it to be locked when in use so you can use it with confidence. ✔Powerful Bracket: It not only can open and close 90° but also can bear weight up to 440 lbs for your living convenience. ✔Electroplated Black Bronze: Its surface is made of electroplated black bronze, so it has a good gloss without burrs and also has rust, corrosion resistance, and wear resistance, which can be used for a long time. ✔Strong Springs: The design of the hinge springs allows you to easily activate the locking function, providing you with a more convenient user experience. ✔Pre-drilled Holes: The self-locking folding bracket is already designed with pre-drilled holes to help you install it more quickly. Specification Color: Black Material: Cold-rolled Steel Surface Treatment: Electroplated Black Bronze Number of Pieces: 4 Folding Angle: 0-90° Total load-bearing Capacity: 200kg/ 440lbs Material Thickness: 2.5mm/ 0.098lbs Hole Diameter: 4.5mm/ 0.18in Each Product Size: 5*6.3*6.8cm/ 2*2.5*2.6in Package Size: 16*12*10cm/ 6.3*4.7*3.9in Net Weight: 0.84kg/ 1.8lbs Gross Weight: 1kg/ 2.2lbs Package Included 4* Self-locking Folding Brackets 40* Screws