The WindMaster Model 1005 Classic Curb Sign is the original and still the highest quality curb sign on the market. This aluminum curb sign has strong mitered frame corners. All 4 rails open to load and unload posters. The WindMaster flexes to withstand strong wind gusts and features tool-free assembly, dual springs and rust resistant, black steel snap on feet. The sign is designed for 44 inch long x 28 inch wide posters and has a 1.75 inch wide rail.