Features 1、For Support and Adjustment: Gas springs are often used for mechanical equipment supporting, braking and adjustment, etc. 2、With Good Airtightness: Using thickened double layer sealing ring and accurate hydraulic oil seal, the gas spring has good sealing performance. 3、Low Friction: The hydraulic support rod has a glossy and seamless appearance, low friction, and is not easy to rust and deform. 4、Spring Steel Material: The hydraulic rod strut is made of excellent spring steel material, which has high tensile strength and elastic limit. 5、Standard Sizes: With standard center distance and stroke, it is often used for beds, hatches, trunk covers, etc. Specification Item Type: Gas Spring Material: Spring steel Center Distance: Approx. 580mm / 22.8in Stroke: Approx. 240mm / 9.4in Bore Diameter: Approx. 22mm / 0.9in Rod Diameter: Approx. 10mm / 0.4in Package List 2 x Gas Spring