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. Material: The travel springs are made of durable materials with a long service life. We offer springs with different pressures to meet your various needs. Cushioning Effect: It provides cushioning, reducing effort, offering good stability and high reliability. Allows you to open or close easily, comfortably, conveniently, and safely., Manufacturer: SFIFHSKFH