Vevor Floor Jack Adjustable 4 x 4 Screw Jack Post 13.2"-18.7" 24,700 lbs NewThe Vevor adjustable floor jack post is designed to provide temporary or supplemental support for floors, crawlspaces, basements, and other structural applications. Built from Q235 steel, it offers a high 24,700 lb load capacity with an adjustable height range from 13. 2" to 18. 7". The jack is sized to fit standard 4 x 4 wood posts and uses a removable lever for simple height adjustment. Its compact design makes it easy to store and transport between