【Basic Info】The lift supports are universal and used for Leer ARE SnugTop camper shell truck topper rear window, Truck Pickup Cab Canopy Door Camper Shell Topper RV or DIY box. It's 16 inches from side to side. Each strut can support 28 Lbs weight. Please don't compress it with your hand. It has a 12+6-month warranty for any quality problem and lifetime customer service. | 【How to Choose Right One? 】We recommend that measure weight and length before purchasing. It will be more convenient for your shopping experience. The lift support can be used for DIY, RV, or camper shell. Please check OE number: C16-08941 C1608941. Please notice that 28Lbs/ 16 inches （don't furnished with ball studs.） | 【Worry about Easy-use? 】BDFHYK gas struts are very easy to install. You can install it only by yourself with a flat screwdriver. We prepared online instructions for your reference anytime and anywhere. It's also very convenient after installation and almost like your original one. It's very soft during use. | 【Worry about Quality? 】 Every product needs to be tested many times before announce until we make sure there are no problems like noise, stiffness, and other common problems. We also offer 12+6 months warranty service for replacing a new one if you meet any quality problem during use. Please trust us and we will offer you a satisfactory experience. | 【About BDFHYK】a professional auto parts manufacturer with mature industry lines. We have our factory and professional developer. It's been more than 10 years that we serve different customers from different areas. We do our best to hear from customers and update our products. Choose BDFHYK, Choose good service.