These nonconductive fiberglass rods can be screwed together to form longer lengths for running wire through walls, attics, crawl spaces, sub-floors, and suspended ceilings. The running kit includes ten 39 in. fiberglass rods with threaded brass connectors, a 6-1/2 in. flexible acrylic connection that can be set to any angle, a brass hook end for pulling and a brass eye end for pushing.