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 Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.