*Key Features *Heavy-Duty Support: Our house floor jack is built from tough Q235 steel. Each jack handles up to 2500 lbs/1134 kg with ease, perfect for heavy lifting. *Adjustable Height Design: This basement floor jack features an adjustable height design. It adjusts from 11.6 to 16 in/29.46 to 40.64 cm, allowing you to find the ideal height for your needs. *Simple Operation: Adjusting the height of the basement jack is easy—just twist the nut with a wrench. Quick and convenient! *Integrated Welded Base Plate: The adjustable floor jack's base plate is seamlessly welded to the pipe using an integrated welding process. This eliminates the need to attach the base plate separately, simplifying installation. *Versatile Application: Our floor joist jack offers strong load capacity and an adjustable height design. Ideal for temporary support under bed frames, cabinets, weak floors, and doorways. *Specifications Item Model Number: 204A-0040-00-00 Quantity: 4-Pack Adjustable Size: 11.6-16 in/29.46-40.64 cm Max Load Capacity (Per Unit): 2500 lbs/1134 kg Base/Top Plate Size: 4.84 x 4.84 in / 123 x 123 mm *Package Content 4 x Floor Jacks