Easy Heavy Lid Lift - Engineered with industrial-grade gas spring tech, this 15" 80lb gas strut delivering smooth and consistent lifting force that lets you effortlessly open 48-112lbs heavy lids like tool box, truck bed or RV beds solo, eliminating back strain and streamlining daily access Product Info - Overall length: 15.51", extended: 14.96", compressed: 9.06", 15" gas shocks fit 22-30 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 15-inch 80lb 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