Heavy Duty Support: Our Basement Floor Jack is built from tough Q235 steel
Specifications:Range of adjustment: 19" - 34.5", Height Capacity(each): 6820 lbs to 4409 lbs; Base plate dimension: 4.92" x 4.92" x 0.23"; Top plate dimension: 4.92" x 4.92" x 0.23"; M22 thread
Upgraded Design for Top Swivel: When you turn the screw to extend the jack, the swiveling top plate ensures flexible alignment, making it highly adaptable for tight or uneven spaces
Wide Application: Our Adjustable Support Beam Basement Jack Post can provide temporary or additional support during construction and maintenance. Ideal for temporary support in various places like beams, patios, and construction