Fit for 18–30" Lids ( 74-168 lbs Load Capacity) : Extended Length: 14.96”, Compressed Length: 9.06". Ideal for 18-22.5" lids (opening angle >60°) or 22.5-30" lids (opening angle <60°). Choose the right pressure easily by referring to the attached diagram Multi-Scenario Versatility: Fits for Heavy-duty applications RV Queen King Murphy Bed, Truck tonneau covers, Trailer Trap Storm door, Camper storage cabinet lid, Tool chest, Overland camper, Basement floor hatches, Food truck Shed Windows, Trash bins, Toy box and boat engine cover. Perfect for vehicle-mounted, storage and outdoor DIY projects Ultra-Easy Installation: Tool-free required, simple steps with clear instructions, anyone can finish setup quickly without professional skills. DIY-friendly with L-shaped mounting brackets & full accessories Durable & Reliable: Made of high-grade steel and sealed nitrogen gas cylinder—resists rust, leakage, and wear even in harsh weather (rain, snow, extreme temperatures). Longer service life than generic shocks, making it a cost-effective replacement choice Online-Friendly Installation & After-Sales Service: Backed by an 18-month warranty & reliable customer support, our team efficiently handles all installation and usage inquiries. We are pleased to provide easy-to-follow DIY installation plans, ensuring you shop IAQWE with total confidence Elevate your home with IAQWE full-size gas struts, tailored for American households. Suitable for 10lbs-400lbs load and 13inch-36inch sizes, they fit cabinet doors, storage lids, RV gear, truck canopy windows, boat hatches and sheds, upgrading home, outdoor and automotive spaces with stable support and easy DIY installation. Ideal for kitchen cabinets, toolboxes, toy boxes, basement trap doors, trash bin lids, camper shell doors and attic hatches. Ditch strenuous manual opening—precise hydraulic damping enables slow, steady lifting/lowering, avoiding scratches and pinching risks for seniors and kids. Each set includes L-shaped brackets and full accessories, no complex tools needed for quick setup. High-strength steel brackets resist corrosion; sealed struts endure fumes, moisture and vibrations for reliable long-lasting performance. IAQWE ensures strict quality—each strut passes rigorous tests, guaranteeing accurate load-bearing, smooth extension, no leakage and consistent use.