Adjustable Steel Jack Post, 53–93 in, 18,000 lb

Telescoping jack post delivers fast, adjustable temporary support to help level floors and stabilize beams during repairs or construction. Built from durable Q235 steel, this heavy-duty floor support jack adjusts from 53–93 in to match a wide range of basement, crawl space, and patio projects. A simple lever rotation raises or lowers height without extra tools, while dual lock pins help secure the setting for safer, controlled support.

• Delivers up to 18,000 lb max load capacity for heavy-duty temporary support work


• Adjusts from 53–93 in for flexible floor leveling and beam/joist support


• Operates by rotating the lever for quick height changes without extra tools


• Includes two lock pins to help secure height settings during use


• Stabilizes with welded 4 x 6 in base/top plates for straightforward installation

When sagging floors or shifting beams need attention, a reliable basement support post helps you work with more control. This adjustable support beam jack is designed for jobsite-ready use across remodeling, structural bracing, and temporary lift support applications. The integrated welded plates reduce setup steps, and the rust-resistant finish supports storage between projects. Add this steel telescoping jack post to your toolkit and get your structure positioned where you need it—grab yours today.

• Type: Telescoping jack post / floor jack support (temporary support)


• Material: Q235 steel


• Max load capacity: 18,000 lb (8,164.66 kg)


• Adjustable height range: 53–93 in (134.62–236.22 cm)


• Base/top plate size: 4 x 6 in (101 x 153 mm)


• Finish: Rust-resistant


• Quantity: 1-pack