Features 1、QPQ nitriding treatment, possess low surface friction, good finish, no blunt points, no jamming during expansion and contraction 2、Complete load-bearing specifications, suitable for a variety of customers to choose according to their preferences 3、Split design, if one of them is damaged, only need to replace one of them, easy to install, save money and trouble 4、You can choose different load-bearing according to your own use scene, simple and efficient 5、Come with German TUV, EU SGS chemical substance test, EU ROHS 100,000 times fatigue certification, very durable Specification Item Type: Lift Struts Bar Material: Accurate steel tube Center Distance (L): Approx. 400mm / 15.7in Stroke (S): Approx. 150mm / 5.9in Cylinder Diameter (D): Approx. 22mm / 0.9in Piston Rod Diameter (d): Approx. 10mm / 0.4in Installation Hole Diameter: Approx. 8mm / 0.3in Scope of Application: Upturn support for automobile front cover and tailgate, trains, ships, doors and window, mechanical equipment, furniture, etc. Package List 1 x Lift Struts Bar