Material Iron Finish Type Black Number of Pieces 2 About this item High Load Capacity : these folding hinges can load about 50 kg/100 lbs, so they are used as a large lift-up coffee table mechanism for mounting furniture hinges with springs. Space saving: using them can save you help save a lot of space, which makes your home more clean and tidy, perfect for your project, and creates the comfort and convenience of home life. Instructions: it is very easy to assemble, just fix the springs on the hinges, very simple to use. With this type of lift, you can turn 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 made of sturdy steel, rustproof and corrosion resistant, durable and sturdy for long time use, not easy to bend and break. Multifunctional: The lift-up coffee table can turn your normal coffee table into a table functional low, you can lift the top table to achieve a variety of uses of needs, such as meals, writing, meetings, etc.