【Package Content】-- 2 × 10in 22.5 Lbs/100 N Gas Struts; 4 × mounting brackets. 【Product parameters】-- Extended Length: 9.84 Inch, Compressed Length: 6.24 Inches. 【Application】-- 10in gas shock strut spring is the best replacement parts for Truck Toolbox, Wooden Box, ATV Vehicles, Cabinets lid or door, RV Vehicles, and many other DIY applications. 【Easy Installation】-- We have Installation Quick Guide and Online support service to guide install. After installation, these lids will lift safely and smoothly using ONLY ONE finger. 【100% Guarantee】-- If you unluckily encounter missing parts, connectors, or unfit problems, just click "ask seller" beside your order from us, we will provide you with the best solution.