Large Load Capacity: These folding hinges can load about 50kg/100lbs, so they are used as a large lift-up coffee table mechanism for mounting furniture hinges with springs.Space saving: Using them can help you save a lot of space, making your house more clean and tidy, perfect for your project, and creating the comfort and convenience of home life.Instructions for use: It is very easy to assemble, just attach the springs to the hinges, very simple to use.With this type of lift you can transform your normal coffee table into a functional coffee table, they can also be used to change the function of another table.Durable to Use: This lift is made of sturdy steel, anti-rust and corrosion resistant, durable and sturdy for long time use, not easy to bend and break.Multifunctional: The liftable coffee table can transform your normal coffee table into a functional coffee table, you can lift the top table to achieve a variety of usage needs, such as dining, writing, meeting, etc.