Heavy-Duty Adjustable House Floor Jack – 2 Pack, 18,000 lbs Capacity Enhance your construction, remodeling, or maintenance projects with this set of 2 industrial-grade house floor jacks. Each jack is engineered from high-grade carbon steel, offering an exceptional 18,000 lbs load capacity to safely lift and level floor joists, beams, patios, crawl spaces, and concrete structures. Automatic Swivel Top Plate: The upgraded swivel head plate self-aligns as you extend the screw, ensuring secure and stable contact with wooden and steel beams—even in tight or uneven areas. Effortless Tool-Free Adjustment: Quickly set your desired height using the integrated lever—no additional tools or complex calculations required. Dual safety lock pins secure the jack in position for worry-free support. One-Piece Welded Base Plate: The heavy-duty welded base maximizes stability and load distribution, reducing the risk of shifting under substantial weight. Whether you've a professional contractor or a dedicated DIYer, these versatile jack posts deliver robust, deformation-free support for temporary or supplemental bracing—ideal for beam reinforcement, floor leveling, and material handling. To adjust, simply hold the jack steady and rotate the lever slowly for smooth, damage-free operation. Invest in industry-standard lifting and leveling equipment—essential for reliable structural reinforcement and heavy-duty material handling in any demanding environment.