Marshall Stamping Jack Posts 1’0” to 1’4” Howard Johnson Door Thickness: 1-3/8 to 1-3/4

Door Thickness: 1-3/8 to 1-3/4 in

4 main nail pockets

Its flexible

Patented doublelock(TM) design has teeth on both sides of the tie

Marshall Stamping Jack Posts 1’0” to 1’4” Howard Johnson Door Thickness: 1-3/8 to 1-3/4Extend O Posts are perfect for temporarily reinforcing existing floors under heavy load areas, but are not recommended for permanent supports in new construction. Theres 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