The cold-rolled steel is stamped as a whole, with high hardness, high torque, good toughness, strong and durable.2.0mm thick steel plate, thicker and more durable.Surface electroplating treatment, metal matte surface texture, beautiful and generous, more durable, not easy to rust.The weight reaches 951 grams, the material is more sufficient, the hardness is higher, and it is stronger and more durable.The first-speed adjustment is about 180 degrees when laid flat; the second-speed adjustment, the second-speed adjustment is about 138 degrees; the third-speed adjustment, the third-speed adjustment is about 105 degrees.Strong applicability: an important component of folding sofas in furniture factories.The multifunctional folding sofa dumpling chain is specially designed for the sofa bed. There is always an angle suitable for you in the three-stage adjustment.Elastic spring, fine tooth pattern design, stronger elasticity.Length: 26 cm; Color: blackDuoshu hole edge gauge: install multiple screws, safe and reliable.High-quality steel nails, strong flexibility.The surface is electroplated, and the metal matte texture is not easy to rust.Packing contains: 2 pcs/setnotes:1. Since manual measurement is required, please leave a space of 1-3 cm.2. Due to screen differences, the color may be slightly different from your expected color, please allow.(Only sell the main products, not other products)Hinge Face Frame Plate for Floded Door, Kitchen Cabinet Corner Door Hinges Metal Cabinet Corner Hardware Cabinet Door Hinges Corner Cabinet Replacement