Designed to hold 24", 30", 36" and 48" aluminum, wood, plastic or roll-up signs. All steel construction with powder coated paint to resist rusting. Telescoping mast with adjustable rigid or roll-up sign bracket allows for variable sign height adjustments. Dual spring mounted base for added stability during high winds. Step-n-drop legs enable you to set-up in seconds. Flag holder will accept wooden or plastic dowel flags. Tested and certified to meet crashworthy requirements of NCHRP-350.