Upgraded Jacks Design: House floor jack is built from tough Q235 steel which support up to 12000 lbs. Our adjustable deck support comes with two removable lock pins for safer locking.Integrated welded base plate can seamlessly welded to the pipe, without extra steps Versatile Support: Our heavy-duty house jacks provide temporary or permanent support for various structures, including floors, decks, stairs, porches, roof beams, and basements. Perfect for DIY renovations, construction projects, flooring repairs, and structural reinforcement. Works with wooden beams, concrete slabs, and steel structures for reliable stabilization. 19"- 38" Adjustable Height : This basement floor jack can easily adjust the height with the built-in turning bar—no extra tools needed! 19"- 38" range allows for perfect leveling and lifting, making it suitable for basements, uneven floors, and other structural support needs. Recommended for use on level surfaces (concrete blocks, wooden beams, or solid flooring). Quick & Tool-Free Installation: Simply secure the base plate, rotate the lever to your desired height,and secure with lock pins for added safety. Designed for hassle-free setup, our jacks eliminate the need for additional tools. Surface Treatment: Designed for longevity, out foundation leveling jacksfeature a rust-resistant orange oxide coating that resists corrosion and wear, which is strong, durable, and long-lasting, , ensuring reliable performance in any environment. Floor Jacks