Application Scenarios: Extended length: 15.71 inch, Force: 28lbs Per Strut. Compatible with Leer topper camper shells,pickup truck toolbox, truck cap toppers replacement parts | Interchange Numbers: C16-08941, C16-33278, SE150P30M10. Please compare the extended length of your OEM gas spring, Interchange Number, type of connector, and lift capability before purchasing | 5 mins Installation: Swap out your old strut in your garage—grab a head screwdriver. Unscrew the worn parts, then snap the new strut into your vehicle's original mounting points as easily as building with blocks | Stable Support & Effortless Control: Lift camper shell, or toolbox lids with one hand—no more wrestling heavy； A smooth, cushioned motion silences jarring metal clangs, while preventing dangerous sudden pops or slams | Professional Support: Our team guarantees 24-hour email responses for personalized help with installations, product selection, or questions