Easy Heavy Lid Lift - Engineered with industrial-grade gas spring tech, this 36" 180lb gas strut delivering smooth and consistent lifting force that lets you effortlessly open 116-252lbs heavy lids like camper bed, truck bed or RV beds solo, eliminating back strain and streamlining daily access Product Info - Overall length: 36.55", extended: 36.00", compressed: 20.08", 36" gas shocks fit 54-72 in wide lid and ensure perfect leverage geometry with no dead zones or over-extension risks, keeping your lids positioned at the ideal angle for loading and accessing gear without sudden slamming or obstruction All-Weather Durability - Crafted from premium Grade 45 carbon steel with mirror chrome plating and wear-resistant hydraulic oil, perform reliably in -40°F to 110°F extreme temperatures, resisting leaks and pressure loss far better than standard struts to deliver year-round lift support in Arizona heat or Minnesota snow High-Quality Material for Longevity - Built with industrial-grade 45# high-carbon steel, multi-layer chrome plating and premium anti-wear hydraulic fluid, these struts endure 50,000+ compression cycles without force loss, resisting rust and oxidation to outlast alternatives—install once and avoid costly replacements Complete 2-Pack Kit - This package includes 36-inch 180lb gas springs*2, mounting brackets*4, M8 nuts*4, Instruction manual*1, Coustomer Service card*1 (mounting screws for brackets are not included), enabling installation in under 30 minutes with standard tools to prevent lid warping and extend hinge life 365-Day Support - Backed by a 365-day comprehensive replacement and dedicated US-based customer support, these gas struts let you buy with total confidence—we offer free no-questions-asked replacements for underperformance or sizing issues, with full guidance from purchase to installation for a risk-free project 1. What is the compressed length? This 36-inch 180lb gas strut features an overall length of 36.55 inches, with a center-to-center extended length of 36 inches and a center-to-center compressed length of 20.08 inches. The stroke rod has an M10 thread diameter, and the bolt thread diameter is M8—perfectly matched for RV bed, truck toolbox and RV side storage compartment door installation. 2. What is the weight capacity? Our 180lbs gas struts have scene-specific weight support: For lift-up lids (RV beds, camper beds, truck beds, outdoor storage boxes, generator covers, basement doors): Supports 180-252lbs lids; For flip-up lids (outdoor dining bars, countertops, trap door, RV side storage compartment doors): Supports 116-134lbs lids. 3. Does it come with mounting hardware? Yes, the package includes complete mounting accessories (screws not included, need to prepare according to your installation scene): 180lb gas strut × 2 M8 nut × 4 L-shaped mounting bracket × 4 Detailed installation instruction × 1 Customer service card × 1 4. Is it weather resistant? Absolutely! These gas springs are fully made of high-quality 45 carbon steel with chrome-plated surfaces, which effectively prevents corrosion and aging caused by outdoor wind, rain and intense sunlight. It operates stably in a wide temperature range of -40°F to 110°F, and works great for outdoor use on RVs and trucks in both hot and cold extreme weather. 5. Can I use just one strut? We do not recommend single gas strut installation—it will cause multiple problems and potential safety risks: Uneven lifting: The lid/door will tilt to one side with unbalanced weight distribution; Fast wear: A single strut bears all the weight, leading to accelerated fatigue and damage; Safety hazard: May cause the lid/door to close unexpectedly or drop suddenly. 6. What material are they made of? The 36inch 180lb gas strut is Whole body constructed from high-quality 45 carbon steel, with excellent high strength and wear resistance; the surface is chrome-plated for superior corrosion and rust resistance. The cylinder is filled with wear-resistant hydraulic fluid and nitrogen, ensuring stable performance, environmental protection and over 50,000 compression cycles of service life. 7. Does it require any special tools for installation? We recommend measuring the mounting hole spacing in advance with a tape measure for more precise positioning according to the manual. No complicated or special tools are needed! You only need a regular screwdriver and self-prepared screws to complete the installation smoothly. Just follow our detailed installation instructions to measure and fix each mounting point. If you have any installation questions, our customer service team is always available to help