Finally! - sign-mounting hardware that makes it easy to attach signs and banners to chain link fences and U-channel posts. With the new, patent-pending hardware designed by SignGrabber®, your signage will be safer and more secure. Sturdy metal anchors fit snugly to fences or posts, preventing movement from wind, child tampering or vandalism. One-way security bolts have a specially designed head that makes installation easy, but removal nearly impossible for vandals. Recessed nut retaining system mounts flush for added safety, especially in high traffic areas.