Lightweight Shockproof Sturdy Friction self-locking Telescoping Fiberglass Poles Indispensable For Running Pushing Or Pulling Wires Or Cables Indoors Or Outdoors Use In Residential Or Commercial Installations Inner V Of Patented Ztip Has A Double knife-edge Designed To Grab The Wire Outer V - Without Knife Edge - is Used To Push Wires 18-ft (53" Collapsed) 5-sections