【30 inch Struts for Tonneau Cover】Extended length: 30.6 inch, Force: 60lbs Per Strut. Compatible with tonneau cover, pickup bed cover, truck topper, RV bed, motorhome bed, RV door, trailer hatch door, snugtop lid, motorhome door lift support 【Interchange Numbers】C1617261, C16-17261. If you are unsure how to select the correct lift supoort, please contact us before purchase 【Stable Support】Perfect for Heavy Truck Bed Covers. Provide firm hold to prevent accidental closure or collapse, ensuring safe.Ideal upgrade for hauling gear or tackling tough conditions–reliable support when you need it most 【5-mins Installation】Swap Out Old Struts in a Flash with Just a Flat Screwdriver – No Fuss, No Tools! Perfect for Truck Bed Covers, Snowmobile Trailers,Click, Clip, and Cruise – Your Smooth, Effortless Setup Starts in Minutes 【Professional Support】Our team guarantees 24-hour email responses for personalized help with installations, product selection, or questions. Enjoy 18-month full order protection