Applicable Scenario: You can use the Gas Spring on your Toolbox Lid, Canopy Rear Window, Snapon Tool Box, Back Glass Window and other Light DIY Builds Measurement First Required for your Project Lid Before Purchasing | Parameter: Extended length: 13.90 inch, Compressed length: 8.39 inch ; Force: 35 Lb gas spring are suitable for lid weights between 28 - 38 Lb; Diameter of the ball hole is 10 mm; Connection: Ball Socket =10 mm; Packaged with struts x 2, installation instructions x 1 | Exact Replaement: Please Compare The interchange Number and dimensions with the OEM gas spring Before Purchasing: C1610176, C1610493, SE140P40, SE140P40S10, C1610176, C16-10176 | Easy To Install: Just use a small Screwdriver to pry up The metal clip of The old Strut to Remove It, and then align The New Strut onto the end Fitting of your car, Press With your Finger to Snap It Into Place, Done; Tips: Can Not Compressed By Hand Before Installation | Support Service: We provide 12 + 6 months warranty and 24 hours online customer service, if you need installation problems or product problems, you can contact us at any time