Marshall Stamping Jack Posts 4’8” to 8’4” Black

Marshall Stamping

  • $135.89
    Unit price per 



Extend-O-Posts are perfect for temporarily reinforcing existing floors under heavy load areas, but are not recommended for permanent supports in new construction. There’s nothing easier to use for supporting sagging floors, weak beams, and warping stairways. With Extend-O-Posts the possibilities are unlimited.

Various load capacities; 8,000 lbs to 18,000 lbs*
Flow-coated with red corrosion-resistant paint
Packed complete with installation instructions on a color coded, trilingual carton
U.P.C. symbol on carton
Standard Pallet Quantities for Model No. 79 and 84 units; 84HD 50 units


We Also Recommend