The KH Industries Feed-Through Power Stringer is a portable, battery-powered stringing tool designed for pulling wires and cables through conduits and raceways. It features a lightweight, impact-resistant plastic housing and an ergonomic rubber grip handle. The stringer has a maximum pulling force of 25 lbs and comes with 150 feet of pre-loaded nylon string. It requires 4 C alkaline batteries, which are included. This stringer is ideal for electricians and installers who need an easy way to pull wires through finished walls, ceilings, and conduit.