Twinflex

TF-18RGB Dual Coil Spring               TF-18RGB Folded                 Model TF-18RGB Flexing

Twinflex TF18 $179.50

Twin vertical springs and adjustable aluminum legs that contour to any surface.  The Twinflex is a heavy-duty sign stand designed to hold sign 18 inches off ground with two vertical coil springs that flex for stability in strong wind. Popular with utility companies.
Designed for 36- or 48-inch aluminum or roll-up signs (choose appropriate bracket connection), and features adjustable legs with anti-skid foot pads. Minimum height from ground to sign-panel bottom, 18 inches. Folds up  to 12x10x67 inches. Open footprint: 92×51-inches. 38 lbs

 

 

Other options:
TF60 – Holds signs 5 feet off above ground, 48 lbs. $228.50
TF84 – Holds signs 7 feet above grade, 49 lbs. $236.50