Strength when you most need it. This heavy duty type 2 jackpost features heavy duty adjustment assembly for maximum loads; modular design for greatest job site flexibility; and square post for easy and accurate cut down. Use rebar/rod through 9/16" hole for height adjustment 116" (2,946mm) - 120" (3,048mm). The allowable load is 26,800lbs (12,155kg) and factored resistance is 32,700lbs (14,838kg). It is tested to meet or exceed the CAN/CGSB-7.2-94 adjustable steel column standard.