Space Saving: The coffee table air spring lifting frame provides ample space for your coffee table and helps you save space to make your home more clean and tidy, perfect for your project. Sturdy: Made of sturdy metal, rust and corrosion resistant, durable and sturdy to use, not easy to bend and break. Multifunction: Raise the coffee table to transform your regular coffee table into a functional coffee table. You can raise the top table to achieve a variety of uses for your needs, such as: e.g. eating, writing,meetings, etc. Easy to assemble: They are used as a large folding mechanism for coffee tables with furniture hinges. Easy to assemble, just attach the springs to the hinges, very easy to use. Features: can support up to 50 kg, so they are used as a large coffee table lifting mechanism with spring hinges.