U-Channel Sign Post, 4ft. (#P4GR)

Great for mounting traffic signs in ground, concrete, or portable base settings. Engineered from high carbon grade SP-80 billet steel for years of maintenance-free performance. Ribbed back and flange for easy installation. 3/8" holes, 1" on center, four foot length. Meets the Federal Highway Administration's NCHRP-350 Criteria. Mounting hardware sold separately.