This incredible tool will give you a return on your investment the first time you use it! The Magnepull cuts wire fishing time by up to 70%! Eliminate multiple trips in and out of attics and crawl spaces. This amazing tool magnetically couples the cable-pulling device through drywall and allows technicians to have complete control. The system was developed to work with metal studs, wood studs, insulated walls, and even carpet! Great for Alarm, Cable, Satellite, Home Theater, Electrical, CCTV, Access Control, DataComm, and any other type of installation where wire fishing is necessary.