"Fish tape" is often used in electrical wiring installations to attach and pull electrical cable through wall cavities or existing ducts or conduits, where a person can't fit their hands. May also be used to pull other materials through incassible areas.

This 50-ft length of fish tape has a non-conductive nylon construction for use in telecom, electrical, wall and floor conduit. It’s the perfect tool to aid in pulling cables through occupied duct and panel boxes. This nylon tape resists corrosion and can safely support up to 200 lbs. Features include a flexible steel leader and interchangeable terminals and eyelet.