The Big Buster sign stand has a steel base with two springs so it can withstand high winds and gusts from passing trucks. Big Buster is designed to hold wood or .080 aluminum signs 5 feet off the ground. It can hold a roll-up 7 feet from the ground. Step-n-drop legs allows for fast set-up. Flag holder will accept wooden or plastic dowel flags. Tested and certified to meet the crashworthy requirements of NCHRP-350.