Adjustable Floor Jack Posts, 2-Pack, 12-16 in, 9700 lb

Adjustable floor jack posts provide fast, stable temporary support for leveling sagging floors, lifting beams, and bracing joists—without complicated tools. This 2-pack uses heavy-duty Q235 steel and a rust-resistant finish for demanding renovation and construction tasks. Height adjusts from 12–16 in (30.48–40.64 cm) via a simple lever rotation, while the integrated welded base plate speeds setup and reduces extra assembly steps on the jobsite.

• Delivers up to 9,700 lb load capacity per unit for heavy-duty temporary support


• Adjusts from 12–16 in (30.48–40.64 cm) to match beams, joists, and floor leveling needs


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


• Includes an integrated welded base plate to streamline installation and reduce setup steps


• Resists corrosion with a rust-resistant finish for garages, basements, patios, and builds

When a floor joist jack needs to be strong, simple, and adaptable, these adjustable support posts keep your project moving. Use them for temporary leveling, reinforcing beams, or bracing during repairs and remodeling—ideal for homeowners and contractors who want dependable lift capacity in a compact footprint. Keep a pair on hand for time-sensitive fixes and ongoing construction work. Grab yours today and get adjustable support ready when you need it.

• Pack size: 2 pcs


• Adjustable height range: 12–16 in (30.48–40.64 cm)


• Max load capacity (per unit): 9,700 lb (4,399.85 kg)


• Material: Q235 steel


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


• Finish: Rust-resistant