Feature: Force: 22lbs/100N(Per Strut), 2 struts is 44 lbs/200N. It could hold open 22 lbs individually or together for around 44lbs on any object such as car lid, RV, which is universal. Easy Installation: We have installation quick guide for you. If you have question about the strut force or any other question, please contact us before buying, we will provide you with professional advice. Note: Do not compress them by hands before installation, the struts could only be compressed after installing successfully. After installation, the lid/cover would be opened or closed smoothly. Working temperature: -25 Degree Celsius—70 Degree Celsius. Specification: Material: Metal Color: Black Pressure: 100N/22Lbs Extended Length: 25cm/ 10" Compressed Length: 16.2cm/ 6.4" Total Length: 26.5cm / 10.43" Rod Length: 8.8cm / 3.46" Housing Diameter: 15mm / 0.59" Connecting Rod Diameter: 6mm / 0.24" Thread Size: M8x1.25 Gasket Hole Diameter: 8mm / 0.31" Gasket Hole Size: 10x8mm / 0.39"x0.31"(L*W) Gasket Size: 6.5x2.5x4.1cm / 2.56"x0.98"x1.61"(L*W*H) Package Included: 2 x Gas Struts 4 x Gaskets 4 x Nuts