Light duty for smaller jobs. This light duty type 2 jackpost features 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 10,900lbs (4,945kg) and factored resistance is 15,600lbs (7,119kg). It is tested to meet or exceed the CAN/CGSB-7.2-94 adjustable steel column standard.