1PC 150mm-230mm 45kg/450N Car hydraulic Lift Support Gas Strut Hydraulic Spring Hinge Kitchen Cupboard Hinge Furniture Hardware Wear Resistance: The support rod has a low-friction, wear-resistant, smooth surface with no dull spots, preventing jamming during extension and retraction. Funtion: Lift support struts are energy storage devices which create force by compressing gas inside a cylinder,which will make your every opening and closing easy, convenient and safe. Function: The lifting support rod is an energy storage device that generates power through compressed gas in a cylinder, making every opening and closing effortless, convenient, and safe. Direct Installation: Measure the installation distance, fix the mounting bracket, and then press the gas spring into the installation position., Manufacturer: HSKFH