Usage Tips:Desirable Magnetic Cable Puller: It gives electricians complete control and flexibility to navigate cables behind wooden stud walls, paneled walls, plasterboard walls, even steel-framed walls, and under floorboards and carpet. The wiremag puller set lets you connect accessories like a pulling grip. It can be connected to most wires and mesh wire pulling grip. Two Shapes of Magnet Accessories: The magnetic cable fishing tools according to different pipe diameters, two models of large and small are designed for you to use. Can pass through the holes of different sizes. This pilot-guided design allows cables to pass through enclosed spaces, insulation and other obstacles smoothly, and then allows you to pull the cables from the floor to the access point. Magnets Jump Over Obstacles: You need to make sure that the cable has a clear way to run through without knowing the exact location. The strength of the magnet determines the purpose of the tool. Large magnets can quickly get over water pipe obstacles. You can easily run it accurately under the floor. Save Your Working Time: Eliminate damage to walls and numerous trips in and out of attics while on the job. Easily pass the wires through the wall or the upper and lower or left and right sides of the pipe. Wiremag puller set allows you to work smarter, not harder. Specification:Material: ABS, Nylon RopeNylon Cord Length: 6m Package Included: 1 x Wire Threader Set