Specifications: Material: hot rolled steel iron Product size: 24.5*4*1cm Scope of application: soft sofa headrest, sofa armrest stalls Package includes 2 x Hinges   Features Durable Hot-Rolled Steel: Our sofa angle adjuster is made of high-quality hot-rolled steel, which is rust-proof, durable, sturdy to use, and not easy to bend and break. The load-bearing range is approximately 18kg. Wide application: Folding connection hinges are widely used in soft sofa headrests and sofa arm frames. Product size is 24*4*1cm. EASY INSTALLATION: Installing our sofa clamp connector is easy and takes less than 1 minute. Simply follow the instructions provided and your sofa will be firmly attached again in no time. Quality Assurance: Every aspect of the manufacturing process undergoes strict quality control. If you have any questions about our hot rolled steel hinges, please contact us in time and we will reply to you within 24h. MULTI-ANGLE ADJUSTABLE: With our sofa folding hinges, you can easily turn your sofa into a bed, the folding hinges provide multiple functions.