Non-conductive Fiberglass Rods for wiring. These non-conductive rods are perfect for drop ceilings, attics, floors, walls, and crawl spaces. Their high strength and flexibility handle turns easily without breaking. Designed for maximum versatility, threaded ferrules make it possible to customize rod length to any job, making it easier to handle any wiring. GloRods provide a handy glow-in-the-dark feature for added convenience in dark spaces.