Strong magnet allows easy wire running under floorboards, steel-framed walls, and carpets. Two shapes of magnets designed to pass through holes of different sizes. Non-disruptive to finished walls, ensuring a neat installation. Speeds up the cable running process, making it efficient and effective. Lose wires behind walls or under the floor and can't figure out where it is? Using rods but you don't know what you're pushing through? Have to set a lot of cable running or even lots of house rewire up slowly and cautiously? Wiremag Puller-------A useful and desirable tool to help you speeds everything up! Making sure cables have a clear path to run through while knowing exactly where it is! Color: Black Material: plastic Package Contents: 1 set of WireMag Puller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.