Description This pair items is made of high quality steel material, anti-rust and-resistant, and sturdy to use, not easy to bend. This thickness of them are 2.5mm and 4.0mm, they can load large capacity about 50kg. They also can be dissembled and easy to operate, according to your needs, they can be used to sit or rely on. Nice product at a good price, worth buying. ​ Feature MADE OF HEAVY STEEL MATERIAL: This hydraulic hinge is made of heavy-duty steel material, rust and resistant, and, not easy to bend and break, long service life, you can use it for a long time.STRONG LOAD CAPACITY: This anti-rust coffee table lifting frame has a large load capacity and can load about 50kg/100lb, so they are used as the hardware of large-scale lifting coffee table mechanism.SAVE A LOT OF SPACE: Using black mechanism hardware top lifting can help you save a lot of space, make your house more tidy and tidy, which is very suitable for your project.SCOPE OF APPLICATION: This lifting frame is suitable for coffee table. After the table top is raised, it can be used as dining table, writing desk and computer desk. The space below can also store sundries. Let your coffee table play the role of a variety of furniture, saving space and money. Specification Color Black (Shown as picture) Material Heavy Duty Steel Load Capacity Approx. 50kg / 100lb Angle Range Approx. 125 degree Thickness Approx. 2.5mm and 4.0mm Folded Size (L x W) Approx. 340 x 102mm / 13.4 x 4inch Bottom Size (L X H) Approx. 172 x 45mm / 6.8 x 1.8inch Raise-up Height: Approx. 242mm / 9.5inch Top Forward Length Approx. 228mm / 9.0inch (All sizes shown as picture) Package Weight 1.44kg Package Included 2 x Hydraulic Hinges