48" JBC Heavy Duty Back Braces & 3-N-1

48" Heavy Duty JBC Fiberglass Back Braces for Solid Vinyl SignsThese braces are extra thick and stiff to be used on JBC Plastic Corner Solid Vinyl trafic signs. The  stiff back braces are prefered when signs are used in high wind areas, in mounting signs is done at the bottom end of the braces or where wind gusts from passing trafic tend to flaten standard duty back braces. This back braces are recomended for use on the JBC #4190610 Dual Spring w/ 5' Mast Sign Stand.