ITEM NAME:1X(320Mm 400N Flap Spring Flap Fitting Gas Spring Gas Pressure Valves FlapsO7R9) 1X(320Mm 400N Flap Spring Flap Fitting Gas Spring Gas Pressure Valves FlapsO7R9) 1X(Description: The gas spring is a perfect motor control devices for lifting, holding, balancing and it is suitable for horizontally hinged doors, lids, hoods and canopies. It is widely applied as in automobile, furniture, building, machinery industry, etc Material: metal Net weight: 178g Color: black, Silver Force: 400N Hole distance (center to center): 320mm / 12.6 inch Overall length: 335mm / 13.2 inch;?Hole diameter: 8mm / 0.31 inch Bar size: 8 x 120mm / 0.31 inch x4.7 inch (D * L);?Hose size: 18 x 160mm / 0.71 inch x 6.3 inch (D * L) Package Content: 1 * Gas ??Strut)