Ideal Shield's Goal Post Dock Door System is designed to protect your overhead doors from expensive repairs. Our Goal Post System, made of 6" steel posts and 4" schedule 40 steel pipe cross bar, arrive in three sections for quick installation. No welding, sanding or painting required. Just slot together and draw out the set bolts, hoist and set in place. This is a perfect door guarding solution for distribution centers, clean rooms, and cold storage facilities.