The 36 in. – 4 in. x 6 in. OZ-Post Anchor T46-850 (3 1/2″ x 5 1/2″) is the only post anchors industry tested to be the very best. OZCO’s OZ-Post post anchors are a better option to post hole diggers and pouring concrete footings, providing superior support for your outdoor living spaces and future project.