YMSZGBZG 4 Pack U-Shaped Floor Jack, Heavy Duty Adjustable Steel Telepost with U-Head for 4x2, 4x4, 4x6 Joists, 6-9 Inch Adjustment Range, Screw Jack Post for Beam Support & Leveling

Height Adjustment: Easily adjust the height from 6” to 9” by turning the adjustment nut. Once adjusted, tighten the locking screw to prevent loosening, providing stability during use.. User-Friendly Installation: Designed for straightforward use, these floor jacks are easy to install and adjust, providing reliable stabilization for beams and joists during construction or repair projects.. Versatile Application: Ideal for addressing common structural issues in older homes or damage from natural disasters, such as cracked joists, rotten beams, or sagging porches and decks. These jacks can reinforce your home structure and help you solve these problems.. Durable Anti-Corrosion Protection: The upper part is galvanized and the lower part has black oxide finish. This combination offer a robust, long-lasting finish that effectively resists rust and corrosion.. Multiple Uses: These adjustable floor jacks provide versatile temporary support for weak floors, crawl space basements, heavy load areas, stairs and roof trusses, etc. It is a handy solution for various reinforcement needs.