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. 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. Performance Enhancement: These support rods provide stable lifting force, improving the performance of the front hood., Manufacturer: SFNFIGHKK