1. This 11'fiberglass running wire cable electrical fish tape kit is made of fiberglass material, includes 10 rods (3/16" diameter) with threaded brass connectors, Magnetic connector,3/16" acrylic connection, brass push and pull rods.2.Use for running wire through walls, attics, crawl spaces, sub-floors and suspended ceilings, Great for installing cable,wires,HDMI and so on .3.This fish tape kit is flexibility(don't over force), rigidity and great insulation, wear-resistant,corrosion-resistant and oxidation resistance,The extension rods can be connected together to achieve the required length, extending up to 11 feet.4.The bright green fish tape helps u locate and differentiate the rods from wires easily.5.The pacakge comes with a plastic storage case ,its convenient to store.