【5 Level Adjustment】: Folding sofa hinge with 5-speed 180° adjustment for stable load bearing 【Material】: 180-degree sofa hinge made of thickened steel, durable with strong load-bearing capacity; galvanized surface for enhanced rust resistance 【Bold Rivets】: Sofa hinge features thickened material and reinforced rivets for high bearing capacity and improved stability 【Easy to Install】: 5-gear ratchet hinge design ensures high reliability and performance; suitable for direct replacement of old or damaged parts 【Packing List】: 1 x sofa hinge Specification: Material: Steel Size: Total length 15 cm (5.91 inches) Package Includes: 1 x sofa hinge Note: Slight measurement variations may occur due to manual measurement and display differences