Material:Table leg hinge Cold rolled steel, nickel plating, corrosion protection, rust protection, abrasion resistance. Sturdy structural design:Thickness 2.4mm Each bracket can support 80kg capacity, works well and is stable. Easy to fold:For folding, press the lock buckle by hand and apply synchronous pressure on the hinge when releasing. Folding can then be carried out. Easy installation:Simple and practical to use, perforated installation. Each hinge is fixed simultaneously by 11 screws (M4x20 nickel-plated iron), which makes the hinge stronger and more durable. Multiple uses:Suitable for feet of wooden folding furniture table, large bed, iron bed, dining table, DIY platform, table and other wide applications, can also be used as a simple invisible support. Specifications : Material: cold rolled steel Surface treatment: nickel plating Material thickness: 2.4 mm Safe load capacity (individual): 80 kg Opening angle: 90. Screw specification: M4x20mm, nickel-plated iron Appearance color: black Installation method: hole installation Product size: 69x63x54mm Packing list: Hinge x4 Screw x44