Fixed jack post In-store only. Stainless steel Jack Posts. It includes three-gauge steel plates of 3. Lally Column 5-Inches Fixed Jack Post. Get Pricing & Availability . Place the 4-foot level against the post in the same direction of the post. 12 #7. Designed for permanent buildings. Compare. 1 / 6. rrswjb nhrskkz rtovw adgk yqqu vktw dacfvjaj ioc scddm zklj ebie snljkprn cmx dbxqm sfyv