Thickened Folding Flap Hinge: With thickened material, this product is more sturdy and durable, not easy to deform, and has a longer service life Stainless steel chrome material: With anti-corrosion, this product is strong and durable, not easy to rust Flexible rotation at 180 degree: 180 degree or 90 degree flexible rotation angle, smooth opening and closing, no obstruction Countersunk screw hole design : The screw hole adopts recessed design, which will not scratch or hurt hands after installation, which is convenient and safe to use. Multiple uses: suitable for wooden boxes, tables, chairs and beds, etc. Features: Material: Stainless Steel Finish: Chrome Installation Method on: By screws Package content: 4 x hinge 24 x screws