Features: Experience superior durability with these iron sofa spring, designed to withstand heavy loads for long lasting furniture support and prevent frequent replacements. Featuring a cylindrical helical stretch design, these spring ensures flexibility and stability to evenly distribute pressure, avoiding furniture imbalance, and require none tools for quick installation. Ideal for busy homeowners, office workers, and users seeking safe, convenient solution for maintaining their furniture accessories. Perfect for repairing sofas, chairs, and other home or office furniture, enhancing comfort and stability in everyday seating scenarios. With standardized sizes for most brands, these balance hooks offer iron construction for a secure fit and worry less use across various furniture applications. Specifications: Component:Iron Size:Approx.10cm/3.94inch Can be stretched to 17cm/6.69inch Color:Gold/Silver Suitable for most standard sofa connectors, please refer to product packaging for specific dimensions. Each pack contains 20 spring, providing sufficient quantity to meet a variety of needs. Package Includes: Pack of 20 Sofa Spring note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.