Klein Tools 50611 Magnetic Wire PullerKlein Tools 50611 The Magnetic Wire Puller from Klein Tools quickly and easily fishes wire and cable behind finished walls or enclosed spaces. Connect wire or cable to the flexible stainless steel leader and Rare Earth block magnet that make up the in wall unit. Simply maneuver the magnetic hand held unit over the outside of the wall allowing the strong, rare earth magnets to provide great hold for easy wire pulling or fishing. Magnetic wire puller