Garvee 2 Pack Red Adjustable Floor Support Jacks 19-36 Inch Heavy Carbon Steel Max 18000 LBS Structural Support Post

High Load Carbon Steel Red Anti-Rust FrameMade of seamless heavy carbon steel pipe with matte red powder coating, each jack reaches max 18000 LBS ultimate load. Thick integrated welded base plate effectively prevents sinking and displacement during long-term structural support.19–36 Inch Wide Telescopic Height RangeMulti-position pin holes for rough height locking, T-shaped top lever for precise fine lifting. Flexible size adapts to crawl spaces, basements and various renovation construction heights.Dual Lock Security Anti-Slip SystemCombination of two solid lock pins and threaded screw double protection. The rotating swivel top plate automatically fits beam surfaces to eliminate gap and tilt.4-Step Simple Tool-Free InstallationPlace vertically on flat ground, stretch the tube to approximate height, insert safety pins, then twist the top lever to jack up beams. No professional tools required for DIY and contractors.Multi-Scenario Structural Reinforcement ToolSuitable for fixing sagging floors, reinforcing wooden joists, supporting warehouse heavy racks and temporary load-bearing bracing during house renovation and construction projects.