Item Type: Spring Hinge_x000D_ Material: Iron_x000D_ Color: Black_x000D_ Weight: Approx. 478g / 16.9oz_x000D_ Product Size: Approx. 15x5cm / 5.9x2.0in_x000D_ Scope of Application: Furniture Accessories, etc. 1Triangular spring hinge, high spring strength, opening angle of 80, easy to use. 2Wide range of uses, suitable for folding bed, folding sofa, lift door, cabinet door, etc. 3Each kit includes a left spring hinge and a right spring hinge, easy to install and assemble. 4Using high?quality iron material, it is strong and durable, no rust, no corrosion. 5Concealed design, simple and practical, exquisite craftsmanship, it is the perfect furniture accessory.2 x Spring Hinge1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.