5 sections of friction-locking fiberglass extend to 18 ft. and collapse to 58 in. Lightweight, shockproof, and sturdy Ideal for running, pushing, or pulling wires or cables indoor or outdoor and both residential and commercial installations Inner V of patented Z-Tip has a double knife edge designed to literally grab wire insulation without cutting actual metal wire Outer V without knife edge is used to push wire loop Includes J-Tip for handling wire loops or fishing tape and handy, snap-on light accessory for seeing in dimly lit areas