Description: This pair items is made of high quality steel material, anti to rust and corrosion to  resistant, durable 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. Features: Made of heavy duty steel material, anti to rust and corrosion to resistant, durable and sturdy to use, not easy to bend and break. Environmental protection steel plate, smooth and silent, precision processing, safety certification, durable and space saving. Using them can help you save much space that make you home more clean and tidy, perfect for your project. Easy to assemble, very simple to use. Specification: Condition: 100% New Brand 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 Features Hydraulic buffer Coffee Table Lifter makes home decoration easier Environmental protection steel plate, smooth and silent, precision processing, safety certification, durable and space saving Cold rolled steel with selected materials can be thickened to make it safer and more stable. Using them can help you save much space that make you home more clean and tidy, perfect for your project The standard porous positioning is firmly combined with furniture