Material: These folding furniture hinges are made of extra thick steel sheet; The reinforcing ribbed structure has strong load-bearing and tensile strength. Each bracket is capable of supporting heavy furniture. Size: 6.8 x 6.3 x 5 cm / 2.68 × 2.4 × 2 (L x W x H), thickness 2.5 mm / 0.098, 90 degree open angle when the bracket is in the "up" position, and the bayonet will automatically lock when it reaches 90 degrees. Unique Self-Locking Design: Sturdy hardware design. The maximum hinge angle is 90 degrees, and the bayonet will automatically lock when it reaches 90 degrees. With solid construction, loads up to 500 pounds. Works well and stable. Easy to Install: The included accessories, 40 screws included, make it easy to install the folding brackets on the furniture and only takes a few minutes. Occasion: Suitable for wooden folding furniture table legs, large bed, iron bed, dining table, stage, iron frame DIY platform, table and other wide applications, can also be used as a simple