1PC 240-320mm 20kg/200N Car hydraulic Lift Support Gas Strut Hydraulic Spring Hinge Kitchen Cupboard Hinge Furniture Hardware Stainless Steel Material: The automotive hydraulic support rod is made of thickened stainless steel, featuring high pressure resistance, resistance to deformation, and high temperature resistance. 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. Performance Enhancement: These support rods provide stable lifting force, improving the performance of the front hood., Manufacturer: SFNFIGHKK